consistently use str_replace to unify directory separators

Author: Tobion

Iterator/ExcludeDirectoryFilterIterator.php

@@ -44,7 +44,7 @@ public function __construct(\Iterator $iterator, array $directories)
     public function accept()
     {
         $path = $this->isDir() ? $this->current()->getRelativePathname() : $this->current()->getRelativePath();
-        $path = strtr($path, '\\', '/');
+        $path = str_replace('\\', '/', $path);
         foreach ($this->patterns as $pattern) {
             if (preg_match($pattern, $path)) {
                 return false;

Iterator/PathFilterIterator.php

@@ -29,7 +29,7 @@ public function accept()
         $filename = $this->current()->getRelativePathname();
 
         if ('\\' === DIRECTORY_SEPARATOR) {
-            $filename = strtr($filename, '\\', '/');
+            $filename = str_replace('\\', '/', $filename);
         }
 
         // should at least not match one rule to exclude