Cabal revisions of GLUT-2.1.2.1

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

 name:		GLUT version:	2.1.2.1+x-revision: 1 license:	BSD3 license-file:	LICENSE maintainer:	Sven Panne <sven.panne@aedion.de>   install-includes: HsGLUT.h   c-sources:	cbits/HsGLUT.c   if flag(split-base)-    build-depends:	base >= 3, array, containers+    build-depends:	base >= 3 && < 4.6, array < 0.5, containers < 0.5   else     build-depends:	base < 3-  build-depends: OpenGL >= 2.2+  build-depends: OpenGL >= 2.2 && < 2.3   extensions:	CPP, ForeignFunctionInterface