fix windows build broken by #416

cmd/web_windows.go

@@ -0,0 +1,19 @@
+// +build windows
+
+// Copyright 2016 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package cmd
+
+import (
+	"net/http"
+)
+
+func runHTTP(listenAddr string, m http.Handler) error {
+	return http.ListenAndServe(listenAddr, m)
+}
+
+func runHTTPS(listenAddr, certFile, keyFile string, m http.Handler) error {
+	return http.ListenAndServeTLS(listenAddr, certFile, keyFile, m)
+}