--- openvpn-2.2.1.orig/easy-rsa/2.0/build-dh	2011-04-27 11:52:59.000000000 +0200
+++ openvpn-2.2.1/easy-rsa/2.0/build-dh	2011-12-02 18:10:44.000000000 +0100
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+. /etc/easy-rsa/vars
+
 # Build Diffie-Hellman parameters for the server side
 # of an SSL/TLS connection.