From f01e6f5eb5d2be52542d93ae22fc54e59479073b Mon Sep 17 00:00:00 2001
From: Andrew McMillan <andrew@morphoss.com>
Date: Wed, 5 Oct 2011 08:41:27 +0200
Subject: [PATCH] If we didn't actually GET an action, don't have an ugly PHP
 error.

---
 htdocs/tz.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/htdocs/tz.php b/htdocs/tz.php
index a744e644..b985b20f 100644
--- a/htdocs/tz.php
+++ b/htdocs/tz.php
@@ -26,7 +26,7 @@ $request = new CalDAVRequest();
 
 $code_file = sprintf( 'tz/%s.php', $action );
 if ( ! @include_once( $code_file ) ) {
-  $request->PreconditionFailed(400, "supported-action", 'The action "'.$_GET['action'].'" is not understood.' );
+  $request->PreconditionFailed(400, "supported-action", 'The action "'.$action.'" is not understood.' );
 }
 
 $request->DoResponse( 500, translate("The application failed to understand that request.") );