diff options
Diffstat (limited to 'src/undo-stack-observer.h')
| -rw-r--r-- | src/undo-stack-observer.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/undo-stack-observer.h b/src/undo-stack-observer.h index cd17c4675..dbda2b980 100644 --- a/src/undo-stack-observer.h +++ b/src/undo-stack-observer.h @@ -14,6 +14,8 @@ #ifndef __UNDO_COMMIT_OBSERVER_H__ #define __UNDO_COMMIT_OBSERVER_H__ +#include "gc-managed.h" + namespace Inkscape { class Event; @@ -32,7 +34,7 @@ class Event; * UndoStackObservers should not be used on their own. Instead, they should be registered * with a CompositeUndoStackObserver. */ -class UndoStackObserver { +class UndoStackObserver : public GC::Managed<> { public: UndoStackObserver() { } virtual ~UndoStackObserver() { } |