bug#18642: preparing for a new release

[Norihiro Tanaka]

Jim Meyering <address@hidden> wrote:
> Norihiro's latest fix is for a bug that is significant enough
> that I would feel remiss not to make a release soon.
> 
> Here is one patch that looks worth including:
>   #17715 dfa: build struct dfamust on demand
> 
> Any other suggestions for changes to be included?
> 

Thanks.  I sent a patch to fix a potential bug.  Could you review it?

http://debbugs.gnu.org/cgi/bugreport.cgi?bug=18645