--- privatemsg.install_20080727	2008-07-26 20:11:36.000000000 -0400
+++ privatemsg.install	2008-08-12 23:56:04.000000000 -0400
@@ -103,8 +103,8 @@ function privatemsg_install() {
       db_query('CREATE SEQUENCE {privatemsg}_id_seq INCREMENT 1 START 1');
       db_query('CREATE SEQUENCE {privatemsg_folder}_fid_seq INCREMENT 1 START 1');
       db_query('CREATE TABLE {privatemsg_block_user} (
-          author int unsigned NOT NULL,
-          recipient int unsigned NOT NULL,
+          author integer NOT NULL,
+          recipient integer NOT NULL,
           PRIMARY KEY (author, recipient)
         )');
       db_query("create or replace function unix_timestamp(timestamp with time zone)
@@ -243,8 +243,8 @@ function privatemsg_update_4() {
       db_change_column($ret, 'privatemsg', 'subject', 'subject', 'varchar(255)', array('not null' => TRUE, 'default' => "''"));
       if (!db_table_exists('privatemsg_block_user')) {
         $ret[] = update_sql('CREATE TABLE {privatemsg_block_user} (
-            author int unsigned NOT NULL,
-            recipient int unsigned NOT NULL,
+            author integer NOT NULL,
+            recipient integer NOT NULL,
             PRIMARY KEY (author, recipient)
           )');
       }