* src/tgbaalgos/reachiter.hh, src/tgbaalgos/reachiter.cc,
src/tgbaalgos/dotty.cc, src/tgbaalgos/dupexp.cc,
src/tgbaalgos/lbtt.cc, src/tgbaalgos/neverclaim.cc,
src/tgbaalgos/reductgba_sim.cc, src/tgbaalgos/reductgba_sim_del.cc,
src/tgbaalgos/save.cc, src/tgbaalgos/sccfilter.cc,
src/tgba/tgbareduc.cc, src/evtgbaalgos/tgba2evtgba.cc,
src/kripke/kripkeprint.cc: Rename automata_ as aut_.