Include wx/statusbr.h according to precompiled headers of wx/wx.h (with other minor cleaning).

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39646 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/frame.cpp

@@ -27,11 +27,8 @@
     #include "wx/dialog.h"
     #include "wx/control.h"
     #include "wx/toolbar.h"
-#endif // WX_PRECOMP
-
-#if wxUSE_STATUSBAR
     #include "wx/statusbr.h"
-#endif
+#endif // WX_PRECOMP
 
 #include <glib.h>
 #include "wx/gtk/private.h"