They were not updated since we moved binaries around in Spot 2.0. Let them use ltl2tgba directly. * bench/ltlclasses/plot.gnu, bench/ltlclasses/run, bench/ltlcounter/plot.gnu, bench/ltlcounter/run: Adjust.
* bench/ltlclasses/: New benchmark. * bench/Makefile.am: Add it. * configure.ac: Adjust.