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


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274460 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f