test build of this on openwrt please

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15716 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/sofia.c

@@ -1302,9 +1302,11 @@ void launch_sofia_profile_thread(sofia_profile_t *profile)
 
 static void logger(void *logarg, char const *fmt, va_list ap)
 {
-	if (fmt && ap) {
+	if (!fmt) return;
+
+	if (ap) {
 		switch_log_vprintf(SWITCH_CHANNEL_LOG_CLEAN, mod_sofia_globals.tracelevel, fmt, ap);
-	} else if (fmt && !ap) {
+	} else {
 		switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, mod_sofia_globals.tracelevel, "%s", fmt);
 	}
 }