fix compilation both for Robert's cross-compiler and for all normal compilers by just removing the offending m_item initialization line which is unnecessary anyhow

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40801 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/treectrl.cpp

@@ -293,9 +293,9 @@ class wxTreeItemParam
 {
 public:
     wxTreeItemParam()
-        : m_item(NULL),
-          m_data(NULL)
     {
+        m_data = NULL;
+
         for ( size_t n = 0; n < WXSIZEOF(m_images); n++ )
         {
             m_images[n] = -1;