First attempt to unstick Windows

bashbrew/go/vendor/manifest

@@ -10,7 +10,7 @@
 		{
 			"importpath": "github.com/docker-library/go-dockerlibrary",
 			"repository": "https://github.com/docker-library/go-dockerlibrary",
-			"revision": "e9ae2802d93d05d3e8d58b83ede12701035a4c3f",
+			"revision": "ac3ac95930fdb0ee3e111c7f14b10fefcdcb66f3",
 			"branch": "master"
 		},
 		{

bashbrew/go/vendor/src/github.com/docker-library/go-dockerlibrary/manifest/fetch.go

@@ -17,7 +17,7 @@ import (
 //   the file "library/repo"
 // (repoName, tagName, man, err)
 func Fetch(library, repo string) (string, string, *Manifest2822, error) {
-	repoName := path.Base(repo)
+	repoName := filepath.Base(repo)
 	tagName := ""
 	if tagIndex := strings.IndexRune(repoName, ':'); tagIndex > 0 {
 		tagName = repoName[tagIndex+1:]