Ensure we initialise the position variable. See #5599 props codestyling.

git-svn-id: https://develop.svn.wordpress.org/trunk@8117 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/streams.php

@@ -159,7 +159,8 @@ class CachedFileReader extends StringReader {
 	return false;
       }
       $this->_str = fread($fd, $length);
-      fclose($fd);
+	  $this->_pos = 0;
+	  fclose($fd);
 
     } else {
       $this->error = 2; // File doesn't exist
@@ -169,4 +170,4 @@ class CachedFileReader extends StringReader {
 }
 
 
-?>
+?>