Fix compilation under MSW with GCC cross.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40716 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index 08f8e0779f8a387843b166dc314b3c606d71001e..e9bfaa8961a391625e4190383a00dbe4806bbc75 100644 (file)
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -293,7 +293,7 @@ class wxTreeItemParam
 {
 public:
     wxTreeItemParam()
-        : m_item(NULL),
+        : m_item((void*)NULL),
           m_data(NULL)
     {
         for ( size_t n = 0; n < WXSIZEOF(m_images); n++ )