work around libzrtp API mistake for VS

libzrtp's sas_is_verified field is a uint32_t, but zrtp_verified_set
expects a uint8_t.  This is a boolean field, so it doesn't matter one
way or the other.  gcc doesn't care, but Windows Visual Studio
apparently throws a warning about this.

diff --git a/src/switch_rtp.c b/src/switch_rtp.c
index 9211ec2cee9b83055947b471065114e74a292374..9c42520ff9cf9f656755b39f7bf1452cc7c7322a 100644 (file)
--- a/src/switch_rtp.c
+++ b/src/switch_rtp.c
@@ -715,7 +715,7 @@ static void zrtp_event_callback(zrtp_stream_t *stream, zrtp_security_event_t eve
                                        switch_channel_set_variable_name_printf(channel, stream->session->sas1.buffer, "zrtp_sas1_string_%s", type);
                                        switch_channel_set_variable_name_printf(channel, stream->session->sas2.buffer, "zrtp_sas2_string", type);
 
-                                       zrtp_verified_set(zrtp_global, &stream->session->zid, &stream->session->peer_zid, zrtp_session_info.sas_is_verified ^ 1);
+                                       zrtp_verified_set(zrtp_global, &stream->session->zid, &stream->session->peer_zid, (uint8_t)(zrtp_session_info.sas_is_verified ^ 1));
 
                                }
                        }
@@ -777,7 +777,7 @@ static void zrtp_event_callback(zrtp_stream_t *stream, zrtp_security_event_t eve
 
                        if (zrtp_status_ok == zrtp_session_get(stream->session, &zrtp_session_info)) {
                                if (zrtp_session_info.sas_is_ready) {
-                                       zrtp_verified_set(zrtp_global, &stream->session->zid, &stream->session->peer_zid, zrtp_session_info.sas_is_verified ^ 1);
+                                       zrtp_verified_set(zrtp_global, &stream->session->zid, &stream->session->peer_zid, (uint8_t)(zrtp_session_info.sas_is_verified ^ 1));
                                }
                        }
                }
@@ -790,7 +790,7 @@ static void zrtp_event_callback(zrtp_stream_t *stream, zrtp_security_event_t eve
 
                        if (zrtp_status_ok == zrtp_session_get(stream->session, &zrtp_session_info)) {
                                if (zrtp_session_info.sas_is_ready) {
-                                       zrtp_verified_set(zrtp_global, &stream->session->zid, &stream->session->peer_zid, zrtp_session_info.sas_is_verified ^ 1);
+                                       zrtp_verified_set(zrtp_global, &stream->session->zid, &stream->session->peer_zid, (uint8_t)(zrtp_session_info.sas_is_verified ^ 1));
                                }
                        }
                }
@@ -803,7 +803,7 @@ static void zrtp_event_callback(zrtp_stream_t *stream, zrtp_security_event_t eve
 
                        if (zrtp_status_ok == zrtp_session_get(stream->session, &zrtp_session_info)) {
                                if (zrtp_session_info.sas_is_ready) {
-                                       zrtp_verified_set(zrtp_global, &stream->session->zid, &stream->session->peer_zid, zrtp_session_info.sas_is_verified ^ 1);
+                                       zrtp_verified_set(zrtp_global, &stream->session->zid, &stream->session->peer_zid, (uint8_t)(zrtp_session_info.sas_is_verified ^ 1));
                                }
                        }
                }
@@ -3645,7 +3645,7 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_zerocopy_read_frame(switch_rtp_t *rtp
                                                                                switch_clear_flag(other_rtp_session, SWITCH_ZRTP_FLAG_SECURE_MITM_RECV);
                                                                                switch_clear_flag(other_rtp_session, SWITCH_ZRTP_FLAG_SECURE_MITM_SEND);
                                                                                zrtp_verified_set(zrtp_global, &rtp_session->zrtp_session->zid,
-                                                                                                                 &rtp_session->zrtp_session->peer_zid, zrtp_session_info.sas_is_verified ^ 1);
+                                                                                                                 &rtp_session->zrtp_session->peer_zid, (uint8_t)(zrtp_session_info.sas_is_verified ^ 1));
                                                                                rtp_session->zrtp_mitm_tries++;
                                                                        }
                                                                }
@@ -4275,7 +4275,7 @@ SWITCH_DECLARE(int) switch_rtp_write_frame(switch_rtp_t *rtp_session, switch_fra
                                                                        switch_clear_flag(other_rtp_session, SWITCH_ZRTP_FLAG_SECURE_MITM_RECV);
                                                                        switch_clear_flag(other_rtp_session, SWITCH_ZRTP_FLAG_SECURE_MITM_SEND);
                                                                        zrtp_verified_set(zrtp_global, &rtp_session->zrtp_session->zid,
-                                                                                                         &rtp_session->zrtp_session->peer_zid, zrtp_session_info.sas_is_verified ^ 1);
+                                                                                                         &rtp_session->zrtp_session->peer_zid, (uint8_t)(zrtp_session_info.sas_is_verified ^ 1));
                                                                        rtp_session->zrtp_mitm_tries++;
                                                                }
                                                                rtp_session->zrtp_mitm_tries++;