9eebfc87b0678de5db99dfe8036ba0f217c8472a Improvements to smoother2histval (ref #594)

================================ DYNARE MAKE CHECK MATLAB RESULTS ================================ | TOTAL: 442 | PASS: 438 | FAIL: 2 | XFAIL: 2 | XPASS: 0 | LIST OF FAILED TESTS: | * smoother2histval/fs2000_simul.mod | * smoother2histval/fs2000_smooth.mod

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 440 | PASS: 436 | FAIL: 2 | XFAIL: 2 | XPASS: 0 | LIST OF FAILED TESTS: | * smoother2histval/fs2000_simul.mod | * smoother2histval/fs2000_smooth.mod

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