updated port: bzflag-1.7e4

[Jolan Luff <jolan_(_at_)_encryptedemail_(_dot_)_net>]

i've updated the port of bzflag.

usb joystick support has been disabled due to incompatibilities with
recent changes to -current.

audio now works.

the updated port is available at:

http://encryptedemail.net/~jolan/openbsd/ports/bzflag-port.tar.gz


-jolan