Update pages.class.php

Deprecated: uasort(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /var/www/html/bludit/bl-kernel/pages.class.php on line 424

bl-kernel/pages.class.php

@@ -632,7 +632,7 @@ class Pages extends dbJSON
 
 	private function sortByPositionLowToHigh($a, $b)
 	{
-		return $a['position'] > $b['position'];
+		return $a['position'] <=> $b['position'];
 	}
 	private function sortByPositionHighToLow($a, $b)
 	{