Log Message:
Update Ruby 1.8.2.

This is basically bug fix release, but official changes aren't provided
yet.  Please refer ChangeLog.

Here is pkgsrc changes:

o Set RUBY_HAS_ARCHLIB=yes for Ruby packages including archtecture depending
  extention library in order to depend more specific Ruby.

o Now install database for ri(1).  Fix PR pkg/28566.

o Net::IMAP

	* lib/net/imap.rb (u8tou16): fixed typo. fixed: [ruby-list:40546]

o NKF:

	* ext/nkf/nkf-utf8/nkf.c (reinit): should initialize all static
	  variables.  fixed: [ruby-list:40445]

	* ext/nkf/lib/kconv.rb (Kconv::RegexpEucjp): second byte is up to
	  0xfe.

	* ext/nkf/lib/kconv.rb (Kconv#kconv): should handle UTF8 and UTF16
	  properly.

o WEBrick

	* lib/webrick/httpauth/htpasswd.rb (WEBrick::Htpasswd#reload):
	  raise NotImplementedError if password is encrypted by digest
	  algorithms. This patch is contributed by sheepman. [ruby-list:40467]

	* lib/webrick/httpauth/digestauth.rb
	  (WEBrick::HTTPAuth::DigestAuth#_authenticate): fix digest calculation.
	  This patch is contributed by sheepman. [ruby-list:40482]

	* lib/webrick/{httpauth.rb,httpauth/basicauth.rb,httpproxy.rb}: use
	  pack/unpack-template char "m" instead of lib/base64.rb to do base64
	  encoding/decoding. fixed: [ruby-dev:25336]