Fixes #42.

* bench/stutter/stutter_invariance_formulas.cc, bin/autfilt.cc,
bin/common_output.cc, bin/dstar2tgba.cc, bin/ltl2tgba.cc,
bin/ltl2tgta.cc, bin/ltlcross.cc, bin/ltldo.cc, bin/ltlfilt.cc,
bin/ltlgrind.cc, spot/misc/intvcmp2.cc, spot/misc/intvcomp.cc,
spot/taalgos/dot.cc, spot/taalgos/statessetbuilder.cc,
spot/taalgos/stats.cc, spot/tl/relabel.cc, spot/tl/simplify.cc,
spot/tl/snf.cc, spot/twa/bdddict.cc, spot/twa/twaproduct.cc,
spot/twaalgos/degen.cc, spot/twaalgos/determinize.cc,
spot/twaalgos/dot.cc, spot/twaalgos/emptiness.cc,
spot/twaalgos/gtec/ce.cc, spot/twaalgos/ltl2tgba_fm.cc,
spot/twaalgos/magic.cc, spot/twaalgos/neverclaim.cc,
spot/twaalgos/se05.cc, spot/twaalgos/simulation.cc,
spot/twaalgos/tau03.cc, spot/twaalgos/tau03opt.cc: Add final.