Add missing wxUSE_TOOLTIPS and wxUSE_UXTHEME checks to wxMSW.

Allow compiling wxStatusBar without tooltips and theme support.

Closes #13846.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70310 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/statusbar.h

@@ -76,8 +76,10 @@ protected:
     // used by DoUpdateStatusText()
     wxClientDC *m_pDC;
 
+#if wxUSE_TOOLTIPS
     // the tooltips used when wxSTB_SHOW_TIPS is given
     wxVector<wxToolTip*> m_tooltips;
+#endif
 
 private:
     struct MSWBorders