Update object.h

include/pocketpy/objects/object.h

@@ -31,4 +31,5 @@ void PyObject__dtor(PyObject* self);
         PyObject* obj = (val)->_obj;                                                               \
         obj->gc_marked = true;                                                                     \
         c11_vector__push(PyObject*, p_stack, obj);                                                 \
-    }
+    }
+