There is no actual use-case to set it to anything else than 100.
timecode subframes are only used for ruler marks and the snap to grid.
libtimecode is still /aware/ of the subframe setting.
git-svn-id: svn://localhost/ardour2/branches/3.0@13817 d708f5d6-7413-0410-9779-e7cbd77b26cf