8ddd7d0300d5c74c369c8a07e84b34a472a6e1b8 Minor fix to release announcement.

================================ DYNARE MAKE CHECK MATLAB RESULTS ================================ | TOTAL: 415 | PASS: 413 | FAIL: 0 | XFAIL: 2 | XPASS: 0

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 413 | PASS: 411 | FAIL: 0 | XFAIL: 2 | XPASS: 0

A full log can be found on karaba in '/tmp/dynare-master-check-txSwrO4klB.log'.