Followup commit: Unbreak XFree86-4-Server-snap on -stable -- gcc 2 has no
-Wno-system-headers. While I'm here, port patches for non-x86/alpha from
XFree86-4-Server.
Reported by: Adam Weinberger <adamw@magnesium.net>
Marius Strobl <marius@alchemy.franken.de>