Fixed %post_id% token handling. Fixed pingback link detection.

git-svn-id: https://develop.svn.wordpress.org/trunk@640 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/template-functions.php

@@ -419,7 +419,8 @@ function get_permalink($id=false) {
 				date('Y', $unixtime),
 				date('n', $unixtime),
 				date('j', $unixtime),
-				$post->post_name
+				$post->post_name,
+				$post->ID
 			);
 			return $siteurl . str_replace($rewritecode, $rewritereplace, get_settings('permalink_structure'));
 		} else { // if they're not using the fancy permalink option