From 58a7d6338c73969c831100b158f4dda66adb8a33 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sat, 20 Sep 2014 22:07:40 +0000
Subject: [PATCH] Fix harmless g++ warning about "using NULL in arithmetic".

::SetThreadExecutionState() returns a DWORD, which is not a pointer, so
compare its return value with 0, not NULL.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77746 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/msw/power.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/msw/power.cpp b/src/msw/power.cpp
index 3e57d5f1ee..e573436c4a 100644
--- a/src/msw/power.cpp
+++ b/src/msw/power.cpp
@@ -59,7 +59,7 @@ bool UpdatePowerResourceExecutionState()
     if ( g_powerResourceSystemRefCount > 0 )
         executionState |= ES_SYSTEM_REQUIRED;
 
-    if ( ::SetThreadExecutionState(executionState) == NULL )
+    if ( ::SetThreadExecutionState(executionState) == 0 )
     {
         wxLogLastError(wxT("SetThreadExecutionState()"));
         return false;