Taxonomy Tools Redirect module does take port number

Taxonomy Tools Redirect module does take port number with external link redirections. This small patch solves the problem.

-      $path = $url['scheme'] . '://' . $url['host'] . $url['path'];
+      $path = $url['scheme'] . '://' . $url['host']. (isset($url['port']) ? ':'.$url['port'] : '') . $url['path'];