Hello, all.

Resent FreeBSD UTF-8 locale supports outside BMP.
why not merge it?

P.S
this patch includes isw* function enhancement,
currently
	src/lib/libc/locale/___runetype_mb.c
	src/lib/libc/locale/_wctrance.c
are using linear search algorythem, this changes binary search
for huge locale table such as UCS, GB18030.
this fix derived from FreeBSD too.


very truly yours.
--
Takehiko NOZAKI <tnozaki@NetBSD.ORG>