--- openvpn-2.2.1.orig/easy-rsa/2.0/revoke-full	2011-04-27 11:52:59.000000000 +0200
+++ openvpn-2.2.1/easy-rsa/2.0/revoke-full	2011-12-01 19:43:00.000000000 +0100
@@ -2,6 +2,7 @@
 
 # revoke a certificate, regenerate CRL,
 # and verify revocation
+. /etc/easy-rsa/vars
 
 CRL="crl.pem"
 RT="revoke-test.pem"