res_parking: Warn if out of bounds parking spot requested.

Emits a warning if the user has requested a parking spot that
is out of bounds for the requested parking lot.

ASTERISK-30086

Change-Id: I1080371e4f63e94724455003753014fbd3f95fbf

res/parking/parking_controller.c

@@ -110,6 +110,8 @@ int parking_lot_get_space(struct parking_lot *lot, int target_override)
 
 	if (target_override >= lot->cfg->parking_start && target_override <= lot->cfg->parking_stop) {
 		original_target = target_override;
+	} else if (target_override > -1) {
+		ast_log(LOG_WARNING, "Preferred parking spot %d is out of bounds (%d-%d)\n", target_override, lot->cfg->parking_start, lot->cfg->parking_stop);
 	}
 
 	current_target = original_target;