Make openvpn --version exit with exit code 0

Make openvpn --version exit with exit code 0

For some reason, openvpn --version has since the beginning of time
returned exit code 1. A quick sample among common unix utilities confirms
that the rest of the world agrees with me that 0 makes more sense. Let's
make openvpn --version exit with exit code 0 too.

Signed-off-by: Steffan Karger <steffan.karger@foxcrypto.com>
Acked-by: Antonio Quartulli <antonio@openvpn.net>
Message-Id: <E1jsoYQ-0007AZ-BF@sfs-ml-1.v29.lw.sourceforge.com>
URL: https://www.mail-archive.com/search?l=mid&q=E1jsoYQ-0007AZ-BF@sfs-ml-1.v29.lw.sourceforge.com
Signed-off-by: Gert Doering <gert@greenie.muc.de>