Initialize m_privData before doign the assignment

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33001 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/cmndata.cpp

@@ -185,6 +185,7 @@ wxPrintData::wxPrintData(const wxPrintData& printData)
     : wxObject()
 {
     m_nativeData = NULL;
+    m_privData = NULL;
     (*this) = printData;
 }