Merge the latest strip codes fromt the master

internal/gps/strip_vendor_windows.go

@@ -18,7 +18,10 @@ func stripVendor(path string, info os.FileInfo, err error) error {
 		return nil
 	}
 
-	if _, err := os.Lstat(path); err == nil {
+	if _, err := os.Lstat(path); err != nil {
+		return nil
+	}
+
 	symlink := (info.Mode() & os.ModeSymlink) != 0
 	dir := info.IsDir()