Revert "use win32 2.6.1.0"

This reverts commit a0c38d7c96.

Blocked by https://github.com/snoyberg/http-client/issues/309
this commit can be reverted once that's fixed.

git-annex.cabal

@@ -381,10 +381,10 @@ Executable git-annex
 
   if (os(windows))
     Build-Depends:
-      Win32 (>= 2.6.1.0),
+      Win32 (== 2.4.0.0),
       unix-compat (>= 0.5),
       setenv,
-      process (>= 1.6.2.0)
+      process (>= 1.4.2.0)
   else
     Build-Depends: unix
     if impl(ghc <= 7.6.3)

stack-windows.yaml

@@ -16,16 +16,16 @@ flags:
     androidsplice: false
 packages:
 - '.'
+- location:
+    git: https://github.com/joeyh/win32
+    commit: 9250d2b8cadf5a98ffb3f68d933a6257c1b7e23d
+  extra-dep: true
 extra-deps:
 - aws-0.17.1
 - bloomfilter-2.0.1.0
 - torrent-10000.1.1
 - yesod-default-1.2.0
-- Win32-2.6.1.0
+- Win32-2.4.0.0
-- unix-compat-0.5
-- directory-1.3.1.5
-- process-1.6.2.0
-allow-newer: true
 explicit-setup-deps:
   git-annex: true
 resolver: lts-9.10