Fix setting tooltips for generic wxSpinCtrl.

Forward the tooltip set for the control to its subcontrols.

Closes #9817.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67199 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/spinctlg.h

@@ -82,6 +82,9 @@ public:
     virtual bool Enable(bool enable = true);
     virtual bool Show(bool show = true);
     virtual bool Reparent(wxWindowBase *newParent);
+#if wxUSE_TOOLTIPS
+    virtual void DoSetToolTip(wxToolTip *tip);
+#endif // wxUSE_TOOLTIPS
 
     // get the subcontrols
     wxTextCtrl   *GetText() const       { return m_textCtrl; }