Initialize estim_params_ in global_estimation.m. Necessary for smoothing models with no estimated parameters.

matlab/global_initialization.m

@@ -28,7 +28,9 @@ function global_initialization()
 % You should have received a copy of the GNU General Public License
 % along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
 
-global oo_ M_ options_
+global oo_ M_ options_ estim_params_
+
+estim_params_ = [];
 
 options_.console_mode = 0;