Move member initialization in default ctor

include/wx/any.h

@@ -41,6 +41,11 @@ union wxAnyValueBuffer
 
     void*   m_ptr;
     wxByte  m_buffer[WX_ANY_VALUE_BUFFER_SIZE];
+
+    wxAnyValueBuffer()
+    {
+        m_ptr = NULL;
+    }
 };
 
 //
@@ -730,7 +735,6 @@ public:
     wxAny()
     {
         m_type = wxAnyNullValueType;
-        m_buffer = { 0 };
     }
 
     /**