Index: modules/system/system.install
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.install,v
retrieving revision 1.51
diff -u -p -r1.51 system.install
--- modules/system/system.install	1 Dec 2006 08:07:12 -0000	1.51
+++ modules/system/system.install	1 Dec 2006 08:25:49 -0000
@@ -561,7 +561,7 @@ function system_install() {
         message longtext NOT NULL,
         severity tinyint unsigned NOT NULL default '0',
         link varchar(255) NOT NULL default '',
-        location text NOT NULL default '',
+        location text NOT NULL,
         referer varchar(128) NOT NULL default '',
         hostname varchar(128) NOT NULL default '',
         timestamp int NOT NULL default '0',
@@ -3376,7 +3376,7 @@ function system_update_1016() {
   switch ($GLOBALS['db_type']) {
     case 'mysql':
     case 'mysqli':
-      $ret[] = update_sql("ALTER TABLE {watchdog} CHANGE COLUMN location location text NOT NULL default ''");
+      $ret[] = update_sql("ALTER TABLE {watchdog} CHANGE COLUMN location location text NOT NULL");
       break;
     case 'pgsql':
       db_change_column($ret, 'watchdog', 'location', 'location', 'text',  array('not null' => TRUE, 'default' => "''"));