Use XMLNode::set_property in ARDOUR::SideChain class

diff --git a/libs/ardour/sidechain.cc b/libs/ardour/sidechain.cc
index e759af3d5d10119989a4f1e7cc93118ef2411319..eb4f4e1c8bfa176acb19916bfbad5f56e80243b5 100644 (file)
--- a/libs/ardour/sidechain.cc
+++ b/libs/ardour/sidechain.cc
@@ -48,7 +48,7 @@ XMLNode&
 SideChain::state (bool full)
 {
        XMLNode& node = IOProcessor::state (full);
-       node.add_property ("type", "sidechain");
+       node.set_property ("type", "sidechain");
        return node;
 }