From 0d18e12e797d96303cedf49c62fc9bcf404d2afb Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Wed, 22 Jul 2020 16:35:55 +0200
Subject: [PATCH] Avoid -Wconversion-null from MinGW-w64 in wxListBox code

Explicitly cast the pointer to LPARAM instead of implicitly casting NULL
to it.

No real changes.
---
 src/msw/listbox.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp
index 4ccef0529f..3291792888 100644
--- a/src/msw/listbox.cpp
+++ b/src/msw/listbox.cpp
@@ -617,7 +617,7 @@ void wxListBox::SetHorizontalExtent(const wxString& s)
 bool wxListBox::MSWSetTabStops(const wxVector<int>& tabStops)
 {
     return SendMessage(GetHwnd(), LB_SETTABSTOPS, (WPARAM)tabStops.size(),
-                       tabStops.empty() ? NULL : (LPARAM)&tabStops[0]) == TRUE;
+                       (LPARAM)(tabStops.empty() ? NULL : &tabStops[0])) == TRUE;
 }
 
 wxSize wxListBox::DoGetBestClientSize() const