* iface/gspn/eesrg.cc, iface/gspn/eesrg.hh,
iface/gspn/dottyeesrg.cc: Rename as ...
* iface/gspn/ssp.cc, iface/gspn/ssp.hh, iface/gspn/dottyssp.cc:
... these. Adjust all classes and function names.
* iface/gspn/ltlgspn.cc, iface/gspn/Makefile.am: Adjust all classes
filenames and function names.
* m4/gspnlib.m4: Define WITH_GSPN_SSP and LIBGSPNSSP_LDFLAGS.
library for eesrg. Define the WITH_GSPN_EESRG conditional.
* iface/gspn/Makefile.am (gspn_HEADERS, check_PROGRAMS): Add the
eesrg items in condition WITH_GSPN_EESRG.
(libspotgspneesrg_la_LIBADD, libspotgspneesrg_la_CPPFLAGS)
(libspotgspneesrg_la_SOURCES): Define only in condition
WITH_GSPN_EESRG.
Define LIBGSPNRG_LDFLAGS and LIBGSPNSRG_LDFLAGS, not
LIBGSPN_LDFLAGS.
* iface/gspn/Makefile.am: Adjust, build dottygspn-rg and
dottygspn-srg instead of dottygspn.
* iface/gspn/gspn.cc (EVENT_TRUE): Undefine.
(tgba_gspn_private_::~tgba_gspn_private_): Free all_indexes.
* iface/gspn/dottygspn.cc (main): Destroy the automaton before
its dictionnary.