set wxID_CLOSE as affirmative id, not cancel id, this makes more sense for this dialog even if the effect is the same

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40703 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/tipdlg.cpp

@@ -228,7 +228,7 @@ wxTipDialog::wxTipDialog(wxWindow *parent,
     // smart phones does not support or do not waste space for wxButtons
 #ifndef __SMARTPHONE__
     wxButton *btnClose = new wxButton(this, wxID_CLOSE);
-    SetEscapeId(wxID_CLOSE);
+    SetAffirmativeId(wxID_CLOSE);
 #endif
 
     m_checkbox = new wxCheckBox(this, wxID_ANY, _("&Show tips at startup"));