MS and Apple guidelines mention ellipses should generally be used when a command needs additional information from the user before the operation can execute. This is not the case for showing an about dialog so the ellipses have been removed.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70412 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
