first. This is necessary to avoid warnings with -fshort-enums. Casting
to an int really should be enough, but turns out not to be.
This change will be documented in doc/HACKS.
- resolve conflicts (there are many conflicts with $NetBSD$ tags -
dunno why they happen).
- type pedant (couple of typecasts).
correct yacc-generated file handling. remove bin/named/ns_parser.h,
use the header yacc generates at compilation time.
bjh21