Index: system.install
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.install,v
retrieving revision 1.173
diff -U3 -r1.173 system.install
--- system.install	7 Nov 2007 09:55:20 -0000	1.173
+++ system.install	7 Nov 2007 20:53:27 -0000
@@ -4466,6 +4466,15 @@
 }
 
 /**
+ * Set default log to an empty string.
+ */
+function system_update_6036() {
+  $ret = array();
+  $ret[] = update_sql("ALTER TABLE {node_revisions} ALTER COLUMN log set default ''");
+  return $ret;
+}
+
+/**
  * @} End of "defgroup updates-5.x-to-6.x"
  * The next series of updates should start at 7000.
  */