trivial fix build

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -1905,9 +1905,8 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 
 	case SWITCH_MESSAGE_INDICATE_PHONE_EVENT:
 		{
-
-			switch_channel_set_flag(channel, CF_REQ_MEDIA);
 			const char *event = "talk";
+			switch_channel_set_flag(channel, CF_REQ_MEDIA);
 
 			if (!zstr(msg->string_arg) && strcasecmp(msg->string_arg, event)) {
 				if (!strcasecmp(msg->string_arg, "hold")) {

src/switch_utils.c

@@ -2894,7 +2894,7 @@ SWITCH_DECLARE(char *) switch_format_number(const char *num)
 	const char *p = num;
 
 	if (!p) {
-		return p;
+		return (char*)p;
 	}
 
 	if (zstr(p)) {