From 0eab78625662ec7d232bb9ef4253a8e8c5df5238 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Mon, 27 Jul 2015 03:59:42 +0200
Subject: [PATCH] Suppress a harmless warning with MinGW 3.4.5 in wxMSW
 wxTreeCtrl.

Cast NM_DBLCLK to UINT explicitly as it's defined as int in the ancient
version of the headers used with this compiler.
---
 src/msw/treectrl.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index cf59c7bc03..3112e1eb93 100644
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -3652,7 +3652,10 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     if ( MSWIsOnItem(tvhti.flags) )
                     {
                         event.m_item = tvhti.hItem;
-                        eventType = hdr->code == NM_DBLCLK
+                        // Cast is needed for the very old (gcc 3.4.5) MinGW
+                        // headers which didn't define NM_DBLCLK as unsigned,
+                        // resulting in signed/unsigned comparison warning.
+                        eventType = hdr->code == (UINT)NM_DBLCLK
                                     ? wxEVT_TREE_ITEM_ACTIVATED
                                     : wxEVT_TREE_ITEM_RIGHT_CLICK;