Fix #580.

[lilypond.git] / lily / include / cluster.hh

diff --git a/lily/include/cluster.hh b/lily/include/cluster.hh
index 3081b1b093bb77aeff3f251614e5d4fc87385c62..e15d0024145bf4fbab53b253e4c41bc70554fdf7 100644 (file)
--- a/lily/include/cluster.hh
+++ b/lily/include/cluster.hh
@@ -16,6 +16,7 @@ class Cluster
 {
 public:
   DECLARE_SCHEME_CALLBACK (print, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_cross_staff, (SCM));
   DECLARE_GROB_INTERFACE();
 };