Get working with newer mtl (and GHC 7)

filemanip.cabal

@@ -1,5 +1,5 @@
 Name:               filemanip
-Version:            0.3.5.1
+Version:            0.3.5.2
 License:            BSD3
 License-File:       LICENSE
 Author:             Bryan O'Sullivan <bos@serpentine.com>
@@ -15,7 +15,7 @@ Build-type:         Simple
 Extra-Source-Files: README.markdown
 
 Library
-  build-depends: base < 5, bytestring, directory, filepath, mtl == 1.1.*, unix-compat
+  build-depends: base < 5, bytestring, directory, filepath, mtl, unix-compat
   if !os(windows)
     build-depends: unix
   if impl(ghc >= 6.10)
@@ -28,3 +28,11 @@ Library
           System.FilePath.Glob,
           System.FilePath.GlobPattern,
           System.FilePath.Manip
+
+source-repository head
+  type:     mercurial
+  location: http://bitbucket.org/bos/filemanip
+
+source-repository head
+  type:     git
+  location: http://github.com/bos/filemanip