Update to the 6.8.99.10 snapshot. Merges in many local patches, miscellaneous
bugfixes, and includes Zack Rusin's great improvements to Render extension
performance. Should also fix packaging on amd64.
Bring xorg-server-snap port to 6.8.99.5 after repocopy from xorg-server. This
is a port of the server pieces of the periodic snapshot of X.Org, with the
development DRI drivers enabled. The purpose of this port is to bring
bleeding-edge graphics support to FreeBSD.