Upgrade to new CHR (with Jan's changes).

Found out I need to add an extra field to allocate so that the
exception handling code knows where the clause is.
Protect creep_allowed from NULL pointers.

library/Makefile.in

@@ -79,9 +79,14 @@ MYDDAS_PROGRAMS= $(srcdir)/MYDDAS/myddas.ypp \
 	$(srcdir)/MYDDAS/myddas_util_predicates.ypp \
 	$(srcdir)/MYDDAS/myddas_prolog2sql_optimizer.ypp
 
+DIALECT_PROGRAMS= $(srcdir)/../shlib/dialect/hprolog.pl
+
+
 install: $(PROGRAMS) install_myddas
 	mkdir -p $(DESTDIR)$(SHAREDIR)/Yap
+	mkdir -p $(DESTDIR)$(SHAREDIR)/Yap/dialect
 	for p in $(PROGRAMS); do $(INSTALL_DATA) $$p $(DESTDIR)$(SHAREDIR)/Yap; done
+	for p in $(DIALECT_PROGRAMS); do $(INSTALL_DATA) $$p $(DESTDIR)$(SHAREDIR)/Yap/dialect; done
 
 install_myddas: $(MYDDAS_PROGRAMS)
 	count=`echo "$(YAP_EXTRAS)" | grep MYDDAS | wc -l`; \