plugin manager fix, add error suppression operator to touch call.

darcs-hash:20060430153000-9b6ab-0918d41e77e897d3b14c91de822567f8a3007779.gz

lib/plugins/plugin/admin.php

@@ -680,7 +680,7 @@ class ap_manage {
 
         } else {
             if (!@copy($src,$dst)) return false;
-            touch($dst,filemtime($src));
+            @touch($dst,filemtime($src));
         }
 
         return true;