sys/windows: add macro

core/sys/windows/winerror.odin

@@ -44,3 +44,5 @@ ERROR_UNSUPPORTED_TYPE       : DWORD : 1630
 ERROR_NOT_SAME_OBJECT        : DWORD : 1656
 
 E_NOTIMPL :: HRESULT(-0x7fff_bfff) // 0x8000_4001
+
+SUCCEEDED :: #force_inline proc(#any_int result: int) -> bool do return result >= 0