event.install should require_once event.module

Running upgrade.php fails because event.install tries to use a function from event.module, which isn't loaded. The following patch appears to solve that issue:

Index: event.install
===================================================================
--- event.install       (revision 19)
+++ event.install       (working copy)
@@ -1,6 +1,6 @@
 <?php
 // $Id: event.install,v 1.29 2008/04/30 00:33:24 killes Exp $ 
-
+require_once('event.module');
 /**
  * We need mysql >= 4.1.1
  */