Fix build on Windows: ghc-pkg/Main.hs needs ForeignFunctionInterface

diff --git a/utils/ghc-pkg/Main.hs b/utils/ghc-pkg/Main.hs
index e42fa4c..4c68c2b 100644 (file)
--- a/utils/ghc-pkg/Main.hs
+++ b/utils/ghc-pkg/Main.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE PatternGuards, CPP #-}
+{-# LANGUAGE PatternGuards, CPP, ForeignFunctionInterface #-}
 -----------------------------------------------------------------------------
 --
 -- (c) The University of Glasgow 2004-2009.