Fix issue security issue in Gold

go/util/http.go

Index: go/util/http.go
diff --git a/go/util/http.go b/go/util/http.go
index 05d2651a3b2656f5f7fcb16be51794a8de818354..bf6231cd19e1eab7fecaf261fbe5d1f1117a5795 100644
--- a/go/util/http.go
+++ b/go/util/http.go
@@ -164,7 +164,7 @@ func (t *BackOffTransport) RoundTrip(req *http.Request) (*http.Response, error)
 func ReportError(w http.ResponseWriter, r *http.Request, err error, message string) {
 	glog.Errorln(message, err)
 	if err != io.ErrClosedPipe {
-		http.Error(w, fmt.Sprintf("%s %s", message, err), 500)
+		http.Error(w, message, 500)
 	}
 }