exec: LookPath should not search %PATH% for files like c:cmd.exe

R=golang-dev
CC=golang-dev
https://golang.org/cl/4632055

diff --git a/src/pkg/exec/lp_windows.go b/src/pkg/exec/lp_windows.go
index 5a74c8ee5b435f9a8fd2eff22bb75c255524fed6..47763458f81607cbd71826b5f9d03fa625ff68ab 100644 (file)
--- a/src/pkg/exec/lp_windows.go
+++ b/src/pkg/exec/lp_windows.go
@@ -56,7 +56,7 @@ func LookPath(file string) (f string, err os.Error) {
                }
                exts = append(exts, e)
        }
-       if strings.Contains(file, `\`) || strings.Contains(file, `/`) {
+       if strings.IndexAny(file, `:\/`) != -1 {
                if f, err = findExecutable(file, exts); err == nil {
                        return
                }