res_xmpp: Correctly check return value of SSL_connect

SSL_connect returns non-zero for both success and some error conditions
so simply negating is inadequate.

Change-Id: Ifbf882896e598703b6c615407fa456d3199f95b1

diff --git a/res/res_xmpp.c b/res/res_xmpp.c
index e422c14a2aa287e628ee5344a1c8113d1694b518..aee2cf5cf58f792de30eb38d20f7d55c9e908e8b 100644 (file)
--- a/res/res_xmpp.c
+++ b/res/res_xmpp.c
@@ -2664,7 +2664,7 @@ static int xmpp_client_requested_tls(struct ast_xmpp_client *client, struct ast_
                goto failure;
        }
 
-       if (!SSL_connect(client->ssl_session)) {
+       if (SSL_connect(client->ssl_session) <= 0) {
                goto failure;
        }