Include display objects in gc.

1 files changed, 1 insertions, 0 deletions

diff --git a/py/gc.h b/py/gc.h
index 757a2a6e0..02bf45158 100644
--- a/py/gc.h
+++ b/py/gc.h
@@ -43,6 +43,7 @@ bool gc_is_locked(void);
 // A given port must implement gc_collect by using the other collect functions.
 void gc_collect(void);
 void gc_collect_start(void);
+void gc_collect_ptr(void *ptr);
 void gc_collect_root(void **ptrs, size_t len);
 void gc_collect_end(void);