Index: link.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/link/link.module,v
retrieving revision 1.25.2.3
diff -u -p -r1.25.2.3 link.module
--- link.module	18 Oct 2010 03:46:47 -0000	1.25.2.3
+++ link.module	22 Nov 2010 18:29:04 -0000
@@ -406,6 +406,12 @@ function _link_process(&$item, $delta = 
   // Trim whitespace from URL.
   $item['url'] = trim($item['url']);
 
+  // Store system paths.
+  $normal_path = drupal_get_normal_path($item['url']);
+  if ($item['url'] != $normal_path) {
+    $item['url'] = $normal_path;
+  }
+
   // if no attributes are set then make sure $item['attributes'] is an empty array - this lets $field['attributes'] override it.
   if (empty($item['attributes'])) {
     $item['attributes'] = array();