osutil: fix win build

pkg/osutil/interrupt_windows.go

@@ -0,0 +1,32 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build windows
+
+package osutil
+
+import "os"
+
+type InterruptHandler func()
+
+// RegisterInterruptHandler is a no-op on windows
+func RegisterInterruptHandler(h InterruptHandler) {}
+
+// HandleInterrupts is a no-op on windows
+func HandleInterrupts() {}
+
+// Exit calls os.Exit
+func Exit(code int) {
+	os.Exit(code)
+}