Pull up following revision(s) (requested by mrg in ticket #1935):
	external/mit/xorg-server/dist/include/dix.h: revision 1.3
	external/mit/xorg-server/dist/os/access.c: revision 1.3 via patch
apply two more parts of CVE-2014-8092:
  Missing parens in REQUEST_FIXED_SIZE macro [CVE-2014-8092 pt. 5]
  dix: GetHosts bounds check using wrong pointer value [CVE-2014-8092 pt. 6]