rename functions to move them to the proper namespace and declare them  as static.
rename functions to move them to the proper namespace and declare them 
as static.

* subversion/libsvn_subr/io.c
  (svn_utf8_to_unicode_path): rename to...
  (io_utf8_to_unicode_path): ...this
  (apr_win_file_attrs_set): rename to...
  (io_win_file_attrs_set): ...this

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion