* dir.c (dir_initialize): keep path in original encoding.

	* error.c (syserr_initialize): prefer the encoding of message over
	  locale.  [ruby-dev:45279][Bug #6071]

	* dir.c (dir_inspect), io.c (rb_io_inspect): keep encoding of path.
	  [Bug #6072]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@34813 b2dd03c8-39d4-4d8f-98ff-823fe69b080e