actually delete the contents of the history list, rather than just empty the list. could break things at session closing.

git-svn-id: svn://localhost/ardour2/branches/3.0@8833 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 6 insertions, 0 deletions

diff --git a/libs/pbd/undo.cc b/libs/pbd/undo.cc
index fd7c4d5fb8..c5c1cb238a 100644
--- a/libs/pbd/undo.cc
+++ b/libs/pbd/undo.cc
@@ -295,6 +295,9 @@ void
 UndoHistory::clear_redo ()
 {
 	_clearing = true;
+        for (std::list<UndoTransaction*>::iterator i = RedoList.begin(); i != RedoList.end(); ++i) {
+                delete *i;
+        }
 	RedoList.clear ();
 	_clearing = false;
 
@@ -306,6 +309,9 @@ void
 UndoHistory::clear_undo ()
 {
 	_clearing = true;
+        for (std::list<UndoTransaction*>::iterator i = UndoList.begin(); i != UndoList.end(); ++i) {
+                delete *i;
+        }
 	UndoList.clear ();
 	_clearing = false;