Fixed bug in DealsSales - memory limit exhausted

SE/se-lib/Route/DealsSales.php

@@ -490,7 +490,7 @@ class Route_DealsSales extends RouteBase {
 	$initData->obrotyToMarki = $obrotyToMarki;
 	$initData->months = $monthsOut;
 	$initData->years = array_keys($obrotyByYear);
-		{
+		if (!empty($initData->years)) {
 			$lastYear = date("Y", mktime(date('H'), date('i'), date('s'), date("m") + 3, date("d"), date("Y")));
 			$firstYear = end($initData->years);
 			if ($firstYear <= $lastYear) {