Bug #5884 - fix a possible race state in app_meetme when a channel has gone away and we are reading continuously for more frames. (mneuhauser)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@14467 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_meetme.c

@@ -737,6 +737,8 @@ static void conf_flush(int fd, struct ast_channel *chan)
 			f = ast_read(chan);
 			if (f)
 				ast_frfree(f);
+			else /* channel was hung up or something else happened */
+				break;
 		}
 	}