Fix style

Author: peterzhu2118

gc/mmtk.c

@@ -558,7 +558,9 @@ rb_mmtk_obj_free_iter_wrapper(VALUE obj, void *data)
 // Shutdown
 static void each_object(struct objspace *objspace, int (*func)(VALUE, void *), void *data);
 
-void rb_gc_impl_shutdown_free_objects(void *objspace_ptr) {
+void
+rb_gc_impl_shutdown_free_objects(void *objspace_ptr)
+{
     mmtk_set_gc_enabled(false);
     each_object(objspace_ptr, rb_mmtk_obj_free_iter_wrapper, objspace_ptr);
     mmtk_set_gc_enabled(true);