Check for no links returned stops error

git-svn-id: http://svn.automattic.com/wordpress/trunk@151 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/linkmanager.php

@@ -453,6 +453,7 @@ switch ($action) {
 
     // echo "$sql";
     $links = $wpdb->get_results($sql);
+    if ($links) {
         foreach ($links as $link) {
             $short_url = str_replace('http://', '', $link->link_url);
             $short_url = str_replace('www.', '', $short_url);
@@ -466,7 +467,7 @@ switch ($action) {
             $visible = ($link->link_visible == 'Y') ? 'Yes' : 'No';
             ++$i;
             $style = ($i % 2) ? ' class="alternate"' : '';
-echo <<<LINKS
+            echo <<<LINKS
 	<tr valign="middle"$style>
 		<td><strong>$link->link_name</strong><br />
 		Description: $link->link_description</td>
@@ -480,6 +481,7 @@ echo <<<LINKS
 	</tr>
 LINKS;
         }
+    }
 ?>
 </table>
 </form>