MASTER_SITES into bsd.sites.mk (MASTER_SITE_XFREE). Also add officially
announced by xfree http mirror. Following is the announcement.
[20 September 2000]
XFree86 nows offers http download access! This is a big story for those
who cannot download via ftp access because of proxy/firewall concerns.
This has been generously donated by the Computing Center of the University
of Applied Sciences in Esslingen, Germany. This is a full ftp mirror
repository which is updated hourly with a connection speed of 20 MegaBit.
