bugfix: PHP notices on raw posts

post.php

@@ -561,6 +561,7 @@
 		
 		$id = post($post, $OP);
 		
+		if(isset($post['tracked_cites'])) {
 			foreach($post['tracked_cites'] as $cite) {
 				$query = prepare('INSERT INTO `cites` VALUES (:board, :post, :target_board, :target)');
 				$query->bindValue(':board', $board['uri']);
@@ -569,6 +570,7 @@
 				$query->bindValue(':target', $cite[1], PDO::PARAM_INT);
 				$query->execute() or error(db_error($query));
 			}
+		}
 		
 		buildThread(($OP?$id:$post['thread']));