Don't delete model in views destructor as several

views can have the same model and memory doesn't
    like getting freed several times.
  Sorting actually works. Not yet editing the sorted
    data.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37766 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/datavcmn.cpp

@@ -431,15 +431,10 @@ wxDataViewCtrlBase::wxDataViewCtrlBase()
 
 wxDataViewCtrlBase::~wxDataViewCtrlBase()
 {
-    if (m_model)
-        delete m_model;
 }
 
 bool wxDataViewCtrlBase::AssociateModel( wxDataViewListModel *model )
 {
-    if (m_model)
-        delete m_model;
-        
     m_model = model;
     
     return true;