Index: user.test
===================================================================
RCS file: /cvs/drupal/drupal/modules/user/user.test,v
retrieving revision 1.33
diff -u -r1.33 user.test
--- user.test	31 Mar 2009 01:49:55 -0000	1.33
+++ user.test	23 Apr 2009 13:07:16 -0000
@@ -703,7 +703,8 @@
 
     $img_info = image_get_info($image->filepath);
     $picture_dir = variable_get('user_picture_path', 'pictures');
-    $pic_path = file_directory_path() . '/' . $picture_dir . '/picture-' . $this->user->uid . '.' . $img_info['extension'];
+    $pic_path = file_directory_path() . '/' . $picture_dir . '/picture-' . $this->user->uid . '-' . time() . '.' . $img_info['extension'];
+
 
     return $pic_path;
   }