wxGTK/wxMotif/wxPM compile without editing generated Makefiles
on OS/2), including a ':' in a comment, so this time this
hopefully will not break anything.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5403 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775