--- sudo-1.6.9p6/env.c~	2007-07-31 21:04:31.000000000 +0300
+++ sudo-1.6.9p6/env.c	2007-11-01 22:36:20.405065166 +0200
@@ -208,6 +208,7 @@
     "TZ",
     "XAUTHORITY",
     "XAUTHORIZATION",
+    "SSH_AUTH_SOCK",
     NULL
 };