Resolve an  unused locally-defined type warning. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7567 91a5dbb7-01b9-0310-9b5f-b28072856b6e
mk4build didn't handle make macro names which contain lowercase letters. (pl)


git-svn-id: svn://mielke.cc/main/brltty@7568 91a5dbb7-01b9-0310-9b5f-b28072856b6e