From a316942c18e516ba212dd7f537173485285c7a90 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Wed, 31 Oct 2018 23:26:02 +0100
Subject: [PATCH] Don't use "extern" when initializing wxCurrentPopupWindow

Avoid (harmless) warning about the variable being initialized and
declared "extern" added by 56c419116838045f23f046112960d4e42f98f80d.
---
 src/msw/popupwin.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/msw/popupwin.cpp b/src/msw/popupwin.cpp
index 406733d73d..3784c52a98 100644
--- a/src/msw/popupwin.cpp
+++ b/src/msw/popupwin.cpp
@@ -33,7 +33,10 @@
 #include "wx/msw/private.h"     // for GetDesktopWindow()
 
 // Set to the popup window currently being shown, if any.
-extern wxPopupWindow* wxCurrentPopupWindow = NULL;
+//
+// Note that this global variable is used in src/msw/window.cpp and so must be
+// extern.
+wxPopupWindow* wxCurrentPopupWindow = NULL;
 
 // ============================================================================
 // implementation