take read-lock when saving processor order

[ardour.git] / libs / ardour / audio_playlist_source.cc

diff --git a/libs/ardour/audio_playlist_source.cc b/libs/ardour/audio_playlist_source.cc
index 8effdd0c808145f866056338f1ea02e203e01f41..7ac487815caf9307d022258a6f80e6a3eeb32903 100644 (file)
--- a/libs/ardour/audio_playlist_source.cc
+++ b/libs/ardour/audio_playlist_source.cc
@@ -108,7 +108,7 @@ AudioPlaylistSource::set_state (const XMLNode& node, int version, bool with_desc
                }
        }
 
-       const XMLProperty* prop;
+       XMLProperty const * prop;
        pair<framepos_t,framepos_t> extent = _playlist->get_extent();
 
        AudioSource::_length = extent.second - extent.first;