Use XMLNode::set_property in ARDOUR::AudioFileSource class

diff --git a/libs/ardour/audiofilesource.cc b/libs/ardour/audiofilesource.cc
index 2edd06282b1129b80927b5e9129c88ade9ee0660..690942fb1a4f6e3924516b34f53344f20b9a7201 100644 (file)
--- a/libs/ardour/audiofilesource.cc
+++ b/libs/ardour/audiofilesource.cc
@@ -209,12 +209,9 @@ AudioFileSource::get_state ()
 {
        LocaleGuard lg;
        XMLNode& root (AudioSource::get_state());
-       char buf[32];
-       snprintf (buf, sizeof (buf), "%u", _channel);
-       root.add_property (X_("channel"), buf);
-       root.add_property (X_("origin"), _origin);
-       snprintf (buf, sizeof (buf), "%f", _gain);
-       root.add_property (X_("gain"), buf);
+       root.set_property (X_("channel"), _channel);
+       root.set_property (X_("origin"), _origin);
+       root.set_property (X_("gain"), _gain);
        return root;
 }