bug#3850: 23.1.50; Extra * in info

[Leo]

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

,----[ (info "(emacs)Mac OS / GNUstep") ]
| 
| * Mac / GNUstep Basics::        Basic Emacs usage under GNUstep or Mac OS.
| * Mac / GNUstep Customization:: Customizations under GNUstep or Mac OS.
| * Mac / GNUstep Events::        How window system events are handled.
| * GNUstep Support::             Details on status of GNUstep support
| *
`----

There is one extra * in the above info menu.

Leo