From b07ec466765d1da14041de6d616885f2929c364e Mon Sep 17 00:00:00 2001
From: Joesis
Date: Fri, 19 Oct 2018 18:21:16 -0700
Subject: define ERROR_SUCCESS as syscall.Errno

---
 systray_windows.go | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/systray_windows.go b/systray_windows.go
index 040cdbd..26a0f80 100644
--- a/systray_windows.go
+++ b/systray_windows.go
@@ -525,17 +525,14 @@ func (t *winTray) addSeparatorMenuItem(menuId int32) error {
 func (t *winTray) hideMenuItem(menuId int32) error {
 	// https://msdn.microsoft.com/en-us/library/windows/desktop/ms647629(v=vs.85).aspx
 	const MF_BYCOMMAND = 0x00000000
-	const ERROR_SUCCESS = 0
+	const ERROR_SUCCESS syscall.Errno = 0
 
 	res, _, err := pDeleteMenu.Call(
 		uintptr(t.menu),
 		uintptr(uint32(menuId)),
 		MF_BYCOMMAND,
 	)
-	if res == 0 {
-		if int(err.(syscall.Errno)) == ERROR_SUCCESS {
-			return nil
-		}
+	if res == 0 && err.(syscall.Errno) != ERROR_SUCCESS {
 		return err
 	}
 
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