mime: use .wav instead of .bmp during windows tests

Some systems do not have .bmp mime.

Update #4723.

R=golang-dev, bradfitz, dave
CC=golang-dev
https://golang.org/cl/7326047

diff --git a/src/pkg/mime/type_windows.go b/src/pkg/mime/type_windows.go
index 857db5f41d776568b5072d0547049e463d7de6f1..ce538678ff8293f9dcfcbd77932f79b9ce3abbec 100644 (file)
--- a/src/pkg/mime/type_windows.go
+++ b/src/pkg/mime/type_windows.go
@@ -58,7 +58,7 @@ func initMime() {
 
 func initMimeForTests() map[string]string {
        return map[string]string{
-               ".bmp": "image/bmp",
+               ".wav": "audio/wav",
                ".png": "image/png",
        }
 }