Steady state calculation of Ramsey problem: fix bug when params are updated.

If the steady state file was modifying parameters, the changes were not taken
fully taken into account.

Thanks to Junior Maih for noticing and proposing the fix.

matlab/dyn_ramsey_static.m

@@ -137,11 +137,11 @@ Uyy = reshape(Uyy,endo_nbr,endo_nbr);
 % depends on multipliers to 0 to compute residuals
 if (options_.bytecode)
    [chck, res, junk] = bytecode('static',xx,[oo.exo_simul oo.exo_det_simul], ...
-               M.params, 'evaluate'); 
+               params, 'evaluate');
    fJ = junk.g1;
 else
    [res,fJ] = feval([fname '_static'],xx,[oo.exo_simul oo.exo_det_simul], ...
-               M.params);
+               params);
 end
 % index of multipliers and corresponding equations
 % the auxiliary variables before the Lagrange multipliers are treated