fix in the Haskell binding for Windows

src/runtime/haskell-bind/pgf2-bind.cabal

@@ -25,7 +25,7 @@ library
   default-language:    Haskell2010
   build-tools:         hsc2hs
 
-  extra-libraries:     gu pgf
+  extra-libraries:     pgf gu
   cc-options:          -std=c99
   default-language:    Haskell2010
   c-sources:           utils.c