try setting TMPDIR for collect2 to not use C:\Windows

Build/EvilLinker.hs

@@ -123,7 +123,7 @@ runAtFile p s f extraparams = do
 	when (null $ opts c) $
 		error $ "failed to find any options for " ++ f ++ " in >>>" ++ s ++ "<<<"
 	writeFile f (opts c)
-	print "in file: >>>" ++ (opts c) ++ "<<<"
+	print $ "in file: >>>" ++ (opts c) ++ "<<<"
 	out <- getOutput (cmd c) (atFile f:extraparams) (env c)
 	removeFile f
 	return out

standalone/windows/build.sh

@@ -20,6 +20,10 @@ withcyg () {
 # This tells git-annex where to upgrade itself from.
 UPGRADE_LOCATION=http://downloads.kitenet.net/git-annex/windows/current/git-annex-installer.exe
 
+mkdir tmp || true
+TMPDIR=tmp
+export TMPDIR
+
 # Uncomment to get rid of cabal installed libraries.
 #rm -rf /c/Users/jenkins/AppData/Roaming/cabal /c/Users/jenkins/AppData/Roaming/ghc