bug#17715: [PATCH] dfa: build struct dfamust on demand

[arnold]

Norihiro Tanaka <nori...@kcn.ne.jp> wrote:

> If we don't use KWset, struct dfamust doesn't have to build.  This patch
> make a change that it's built on demand.

Gawk doesn't use KWset - does this patch affect gawk?

Thanks,

Arnold