9b17c5db4bdb04700dd1647e645f812c19729efc fix typo

================================ DYNARE MAKE CHECK MATLAB RESULTS ================================ | TOTAL: 420 | PASS: 418 | FAIL: 0 | XFAIL: 2 | XPASS: 0

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 418 | PASS: 416 | FAIL: 0 | XFAIL: 2 | XPASS: 0

A full log can be found on karaba in '/tmp/dynare-master-check-bBmxoU867z.log'.