Increased filehash length and made the reject-post-if-image-already-exists-in-active-content thing

templates/posts.sql

@@ -16,7 +16,7 @@ CREATE TABLE IF NOT EXISTS `posts_{board}` (
   `fileheight` int(11) DEFAULT NULL,
   `filesize` int(11) DEFAULT NULL,
   `filename` varchar(30) DEFAULT NULL,
-  `filehash` varchar(32) DEFAULT NULL,
+  `filehash` varchar(40) DEFAULT NULL,
   `password` varchar(20) DEFAULT NULL,
   `ip` varchar(15) NOT NULL,
   `sticky` int(1) NOT NULL,