fix typo

Author: bam241

src/mcnp/mcnp_funcs.cpp

@@ -201,11 +201,8 @@ void write_cell_cards(std::ostringstream& lcadfile,
       // that material numbers are assigned
       mat_num = DMD->volume_material_data_eh[entity];
       // if we cant make an int from the mat_num
-       if (DMD->to_lower(mat_num) != DMD->to_lower(DMD->graveyard_mat_str()) &&
+      if (DMD->to_lower(mat_num) != DMD->to_lower(DMD->graveyard_mat_str()) &&
           DMD->to_lower(mat_num) != DMD->to_lower(DMD->vacuum_mat_str())) {
-         if (!DMD->try_to_make_int(mat_num)) {
-           std::cerr << "Failed to cast material number to an integer"
-                     << std::endl;
         if (!DMD->try_to_make_int(mat_num)) {
           std::cerr << "Failed to cast material number to an integer"
                     << std::endl;