SWIG/Python: Fix test failures injected in r24027 by merge of the merge-tracking branch into trunk.  All tests now pass.  A companion commit to r24061.
SWIG/Python: Fix test failures injected in r24027 by merge of the
merge-tracking branch into trunk.  All tests now pass.  A companion
commit to r24061.

* subversion/bindings/swig/svn_fs.i
  Replace use of the deprecated t_output_helper() function with the
  %append_output() macro in the "minfohash" typemap and subsequent doc
  string.

Found by: me
          Masaru Tsuchiyama <m.tmatma@gmail.com>

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