Merge branch 'hotfix/zendframework/zendframework#6743-if-spacing-psr2…

…-compliance' into develop

Forward port zendframework/zendframework#6743

src/RealPath.php

@@ -73,7 +73,7 @@ public function getExists()
      */
     public function filter($value)
     {
-        if(!is_string($value)){
+        if (!is_string($value)) {
             return $value;
         }
         $path = (string) $value;