Fix pass-by-reference

Author: erayd

src/JsonSchema/Constraints/TypeCheck/LooseTypeCheck.php

@@ -27,7 +27,7 @@ public static function propertyGet($value, $property)
         return $value[$property];
     }
 
-    public static function propertySet($value, $property, $data)
+    public static function propertySet(&$value, $property, $data)
     {
         if (is_object($value)) {
             $value->{$property} = $data;

src/JsonSchema/Constraints/TypeCheck/StrictTypeCheck.php

@@ -19,7 +19,7 @@ public static function propertyGet($value, $property)
         return $value->{$property};
     }
 
-    public static function propertySet($value, $property, $data)
+    public static function propertySet(&$value, $property, $data)
     {
         $value->{$property} = $data;
     }

src/JsonSchema/Constraints/TypeCheck/TypeCheckInterface.php

@@ -10,7 +10,7 @@ public static function isArray($value);
 
     public static function propertyGet($value, $property);
 
-    public static function propertySet($value, $property, $data);
+    public static function propertySet(&$value, $property, $data);
 
     public static function propertyExists($value, $property);