Added the code to revert Weigths when user cancels edition

This is a follow up commit to the previous one that
enabled cancel for cylinders, everything in the commit
log for the cylinders also applyes here.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/qt-ui/models.h b/qt-ui/models.h
index b7a72b1d2..e8a7daaf3 100644
--- a/qt-ui/models.h
+++ b/qt-ui/models.h
@@ -114,6 +114,8 @@ public:
 	void clear();
 	void update();
 	void setDive(struct dive *d);
+	weightsystem_t *weightSystemAt(const QModelIndex& index);
+
 public slots:
 	void remove(const QModelIndex& index);