* win32/win32.c (rb_w32_conv_from_wchar): follow nobu's previous commit.
  hey nobu, why don't you write Changelog for such serious changes?


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46324 b2dd03c8-39d4-4d8f-98ff-823fe69b080e