wxComboCtrlBase: Fix SEGV due to double deletion where SetPopupControl is called...

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40030 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/common/combocmn.cpp b/src/common/combocmn.cpp
index b27b6043e7d864645f26079861ce2926027ea991..e2a0fd70c37c05db04d7b3eb25af101bec82cebb 100644 (file)
--- a/src/common/combocmn.cpp
+++ b/src/common/combocmn.cpp
@@ -1562,6 +1562,7 @@ void wxComboCtrlBase::DestroyPopup()
     if ( m_winPopup )
         m_winPopup->Destroy();
 
+    m_popupExtraHandler = (wxEvtHandler*) NULL;
     m_popupInterface = (wxComboPopup*) NULL;
     m_winPopup = (wxWindow*) NULL;
     m_popup = (wxWindow*) NULL;