fix compiling error for goctl on windows

core/proc/shutdown+polyfill.go

@@ -4,6 +4,9 @@ package proc
 
 import "time"
 
+
+type ShutdownConf {}
+
 // AddShutdownListener returns fn itself on windows, lets callers call fn on their own.
 func AddShutdownListener(fn func()) func() {
 	return fn
@@ -18,6 +21,10 @@ func AddWrapUpListener(fn func()) func() {
 func SetTimeToForceQuit(duration time.Duration) {
 }
 
+// Setup does nothing on windows.
+func Setup() {
+}
+
 // Shutdown does nothing on windows.
 func Shutdown() {
 }