Index: wp-admin/upgrade-schema.php
===================================================================
--- wp-admin/upgrade-schema.php	(revision 4431)
+++ wp-admin/upgrade-schema.php	(working copy)
@@ -103,7 +103,7 @@
   post_status enum('publish','draft','private','static','object','attachment','inherit','future') NOT NULL default 'publish',
   comment_status enum('open','closed','registered_only') NOT NULL default 'open',
   ping_status enum('open','closed') NOT NULL default 'open',
-  post_password varchar(20) NOT NULL default '',
+  post_password varchar(64) NOT NULL default '',
   post_name varchar(200) NOT NULL default '',
   to_ping text NOT NULL,
   pinged text NOT NULL,