Relaxed bounds for OpenGL package. Bumped version to 2.7.0.2.

Author: svenpanne

GLUT.cabal

@@ -1,5 +1,5 @@
 name: GLUT
-version: 2.7.0.1
+version: 2.7.0.2
 synopsis: A binding for the OpenGL Utility Toolkit
 description:
   A Haskell binding for the OpenGL Utility Toolkit, a window system independent
@@ -180,7 +180,7 @@ library
     transformers >= 0.2  && < 0.5,
     StateVar     >= 1.1  && < 1.2,
     OpenGLRaw    >= 2.3  && < 2.6,
-    OpenGL       >= 2.12 && < 2.13
+    OpenGL       >= 2.12 && < 2.14
   default-language: Haskell2010
   other-extensions: CPP
   ghc-options: -Wall