Re: [gnugo-devel] Removal of DFA_ENABLE #ifdefs

[Daniel Bump]

> This patch removes the DFA_ENABLE #ifdefs.
> Note that this does not make the DFA the default:
> it only means that the DFA code is always compiled.
> It does not obsolete the --enable-dfa option
> 
> This has 2 benefits:
> - reduces risk of DFA code getting out of sync
> - Switching to DFA only requires rebuilding
>   the DFA .c and .o files, libpatterns.a and
>   a relink of gnugo

I'm skeptical that we need to do this. We do test build
the dfa often enough that if it gets broke (as it did
at one point) we'll find out.

Dan