* subversion/include/svn_io.h   (svn_io_open_uniquely_named): Mention that the file won't be open if     the file handle output parameter is null.
* subversion/include/svn_io.h
  (svn_io_open_uniquely_named): Mention that the file won't be open if
    the file handle output parameter is null.

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