407e802bfdd6ea47af4faa9753854eb007d8133d Fix bug in deterministic conditional forecast.

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

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 411 | PASS: 409 | FAIL: 0 | XFAIL: 2 | XPASS: 0

A full log can be found on karaba in '/tmp/dynare-4.4-check-xpT0ZGBaRx.log'.