trunk: fixed bug with USE_DLL (stoch_simul was calling stoch_simul_sparse,...

trunk: fixed bug with USE_DLL (stoch_simul was calling stoch_simul_sparse, because of wrong handling of options_.model_mode)


git-svn-id: https://www.dynare.org/svn/dynare/trunk@2571 ac1d8469-bf42-47a9-8791-bf33cf982152