77dd7239b5e746ac0fae85926ddbea1e9dabd7df Dynare++: prevent repeated assignment of a parameter/variable

================================ DYNARE MAKE CHECK MATLAB RESULTS ================================ | TOTAL: 203 | PASS: 202 | FAIL: 0 | XFAIL: 1 | XPASS: 0

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 201 | PASS: 200 | FAIL: 0 | XFAIL: 1 | XPASS: 0

A full log can be found on karaba in '/tmp/dynare-master-check-zJhxLW5F7S.log'.