(Bill, please look at the Fl_Menu_Type.cxx code around line 171; the
previous code didn't initialize level before it was used; I hope I
captured the original intent...)
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.0@1338 ea41ed52-d2ee-0310-a9c1-e6b18d33e121