move some data definitions to more appropriate places

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39348 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/datavcmn.cpp

@@ -17,13 +17,13 @@
 
 #if wxUSE_DATAVIEWCTRL
 
+#include "wx/dataview.h"
+
 #ifndef WX_PRECOMP
-    #include "wx/object.h"
     #include "wx/log.h"
 #endif
 
-#include "wx/image.h"
-#include "wx/dataview.h"
+WXDLLIMPEXP_DATA_ADV(const wxChar) wxDataViewCtrlNameStr[] = wxT("dataviewCtrl");
 
 // ---------------------------------------------------------
 // wxDataViewModel