- if (mus->handle_.get_context ())
- scm_gc_mark (mus->handle_.get_context ()->self_scm ());
- if (mus->music_)
- scm_gc_mark (mus->music_->self_scm ());
+ if (handle_.get_context ())
+ scm_gc_mark (handle_.get_context ()->self_scm ());
+ if (music_)
+ scm_gc_mark (music_->self_scm ());