Backport a fix from the COLIBRE repo to solve a segfault in the cleaning...

Backport a fix from the COLIBRE repo to solve a segfault in the cleaning routines when ending a run that restarted from check-point files.

examples/main.c

@@ -1463,8 +1463,8 @@ int main(int argc, char *argv[]) {
   if (with_verbose_timers) timers_close_file();
   if (with_cosmology) cosmology_clean(e.cosmology);
   if (with_self_gravity) pm_mesh_clean(e.mesh);
-  if (with_cooling || with_temperature) cooling_clean(&cooling_func);
-  if (with_feedback) feedback_clean(&feedback_properties);
+  if (with_cooling || with_temperature) cooling_clean(e.cooling_func);
+  if (with_feedback) feedback_clean(e.feedback_props);
   engine_clean(&e, /*fof=*/0);
   free(params);
 

src/engine.c

@@ -3420,7 +3420,7 @@ void engine_init(struct engine *e, struct space *s, struct swift_params *params,
                  const struct entropy_floor_properties *entropy_floor,
                  struct gravity_props *gravity, const struct stars_props *stars,
                  const struct black_holes_props *black_holes,
-                 const struct feedback_props *feedback, struct pm_mesh *mesh,
+                 struct feedback_props *feedback, struct pm_mesh *mesh,
                  const struct external_potential *potential,
                  struct cooling_function_data *cooling_func,
                  const struct star_formation *starform,

src/engine.h

@@ -440,7 +440,7 @@ struct engine {
   const struct star_formation *star_formation;
 
   /* Properties of the sellar feedback model */
-  const struct feedback_props *feedback_props;
+  struct feedback_props *feedback_props;
 
   /* Properties of the chemistry model */
   const struct chemistry_global_data *chemistry;
@@ -513,7 +513,7 @@ void engine_init(struct engine *e, struct space *s, struct swift_params *params,
                  const struct entropy_floor_properties *entropy_floor,
                  struct gravity_props *gravity, const struct stars_props *stars,
                  const struct black_holes_props *black_holes,
-                 const struct feedback_props *feedback, struct pm_mesh *mesh,
+                 struct feedback_props *feedback, struct pm_mesh *mesh,
                  const struct external_potential *potential,
                  struct cooling_function_data *cooling_func,
                  const struct star_formation *starform,