Cabal revisions of X11-1.2

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

 name:		X11 version:	1.2+x-revision: 1 license:	BSD3 license-file:	LICENSE copyright:	Alastair Reid, 1999-2003 extra-libraries: "X11" include-dirs:	include install-includes: HsXlib.h-build-depends:	base+build-depends:	base < 4