Issue a warning message if our candidate's IP is the loopback address.

(closes issue #13985)
Reported by: jcovert
Tested by: phsultan


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@175089 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_gtalk.c

@@ -812,6 +812,9 @@ static int gtalk_create_candidates(struct gtalk *client, struct gtalk_pvt *p, ch
 
 	ast_rtp_get_us(p->rtp, &sin);
 	ast_find_ourip(&us, bindaddr);
+	if (!strcmp(ast_inet_ntoa(us), "127.0.0.1")) {
+		ast_log(LOG_WARNING, "Found a loopback IP on the system, check your network configuration or set the bindaddr attribute.");
+	}
 
 	/* Setup our gtalk candidates */
 	ast_copy_string(ours1->name, "rtp", sizeof(ours1->name));