use include "..." instead of <...>

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16896 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/db/listdb.cpp

@@ -51,10 +51,10 @@
 #endif  //__BORLANDC__
 
 #ifndef WX_PRECOMP
-#include  <wx/wx.h>
+#include  "wx/wx.h"
 #endif //WX_PRECOMP
 
-#include <wx/dbtable.h>
+#include "wx/dbtable.h"
 
 extern wxDbList WXDLLEXPORT *PtrBegDbList;    /* from db.cpp, used in getting back error results from db connections */