[Minor] Set current item when processing composites

src/libserver/symcache/symcache_c.cxx

@@ -657,10 +657,14 @@ rspamd_symcache_composites_foreach(struct rspamd_task *task,
 		auto *dyn_item = cache_runtime->get_dynamic_item(item->id);
 
 		if (!dyn_item->started) {
+			auto *old_item = cache_runtime->set_cur_item(dyn_item);
 			func((void *)item->get_name().c_str(), item->get_cbdata(), fd);
 			dyn_item->finished = true;
+			cache_runtime->set_cur_item(old_item);
 		}
 	});
+
+	cache_runtime->set_cur_item(nullptr);
 }
 
 gboolean