Fix - Recognise String as Joomla supported stream type

Author: nibra

src/Stream.php

@@ -232,15 +232,15 @@ public function open($filename, $mode = 'r', $useIncludePath = false, $context =
 {
 $scheme = ucfirst($url['scheme']);
 
+// Map to StringWrapper if required
+if ($scheme === 'String')
+{
+$scheme = 'StringWrapper';
+}
+
 // If we're dealing with a Joomla! stream, load it
 if (Helper::isJoomlaStream($scheme))
 {
-// Map to StringWrapper if required
-if ($scheme === 'String')
-{
-$scheme = 'StringWrapper';
-}
-
 require_once __DIR__ . '/Stream/' . $scheme . '.php';
 }