Increase MAXTABLE to the maxmimum possible value. The default value is too

low for complex parsers.  Note it was one of those memory optimization hacks
back in the day.

MFC after:	1 week

usr.bin/yacc/Makefile

@@ -10,9 +10,10 @@ PROG=	yacc
 SRCS=	closure.c error.c graph.c lalr.c lr0.c main.c mkpar.c mstring.c output.c \
 	reader.c yaccpar.c symtab.c verbose.c warshall.c
 
-CFLAGS+=	-DMIXEDCASE_FILENAMES=1 \
-		-DHAVE_FCNTL_H=1 \
-		-DHAVE_MKSTEMP=1
+CFLAGS+=	-DHAVE_FCNTL_H=1 \
+		-DHAVE_MKSTEMP=1 \
+		-DMAXTABLE=INT_MAX \
+		-DMIXEDCASE_FILENAMES=1
 
 YYPATCH!=	cat ${BYACC_SRC}/VERSION
 CFLAGS+=	-DYYPATCH=${YYPATCH}