Clearer message if we can't write the .htaccess file - http://mosquito.wordpress.org/view.php?id=694

git-svn-id: https://develop.svn.wordpress.org/trunk@2315 602fd350-edb4-49c9-b593-d223f7449a82

wp-admin/options-permalink.php

@@ -43,7 +43,12 @@ save_mod_rewrite_rules();
 ?>
 
 <?php if (isset($_POST['submit'])) : ?>
-<div class="updated"><p><?php _e('Permalink structure updated.'); ?></p></div>
+<div class="updated"><p><?php
+if ($writable)
+	_e('Permalink structure updated.');
+else
+	_e('You should update your .htaccess now.'); 
+?></p></div>
 <?php endif; ?>
 
 <div class="wrap">