46dc981ce47427c0ddb7c04a7c52289d67f2d4c6 preprocessor: allow empty estimated_params_init block

================================ DYNARE MAKE CHECK MATLAB RESULTS ================================ | TOTAL: 214 | PASS: 212 | FAIL: 1 | XFAIL: 1 | XPASS: 0 | LIST OF FAILED TESTS: | * run_reporting_test_matlab.m

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 212 | PASS: 210 | FAIL: 1 | XFAIL: 1 | XPASS: 0 | LIST OF FAILED TESTS: | * run_reporting_test_octave.m

A full log can be found on karaba in '/tmp/dynare-master-check-VDEU0FjBRp.log'.