fix trivial compiler warning

diff --git a/src/switch_ivr_async.c b/src/switch_ivr_async.c
index 540ddb9c0713d06c6e48bb15d7c034cbad70b32c..dc3346c30527d3218165bb6cb34f77e6753b2601 100644 (file)
--- a/src/switch_ivr_async.c
+++ b/src/switch_ivr_async.c
@@ -1070,7 +1070,7 @@ static switch_bool_t record_callback(switch_media_bug_t *bug, void *user_data, s
        struct record_helper *rh = (struct record_helper *) user_data;
        switch_event_t *event;
        switch_frame_t *nframe;
-       switch_size_t len;
+       switch_size_t len = 0;
        int mask = switch_core_media_bug_test_flag(bug, SMBF_MASK);
        unsigned char null_data[SWITCH_RECOMMENDED_BUFFER_SIZE] = {0};