No errors if it's not set

darcs-hash:20080722082840-533db-6df7b1fe05bbcaef6862d3e9b5ee3bcd277523e7.gz

diff --git a/lib/util.php b/lib/util.php
index ea3ef3b21064b959a3fe3685f2f1fc2003f24492..9e3bc3d4972bbba0244b21837fd0613f5f88c18d 100644 (file)
--- a/lib/util.php
+++ b/lib/util.php
@@ -1369,7 +1369,7 @@ function common_negotiate_type($cprefs, $sprefs) {
 
 function common_config($main, $sub) {
        global $config;
-       return $config[$main][$sub];
+       return isset($config[$main][$sub]) ? $config[$main][$sub] : false;
 }
 
 function common_copy_args($from) {