release: 1.1.28

[lilypond.git] / lily / include / protected-scm.hh

diff --git a/lily/include/protected-scm.hh b/lily/include/protected-scm.hh
index f02ced787bda655c9d33d51238e0315f10e8c20f..eafcc54c9ca08a6397fa469513f2a7d14cf159b1 100644 (file)
--- a/lily/include/protected-scm.hh
+++ b/lily/include/protected-scm.hh
@@ -24,7 +24,7 @@ public:
   Protected_scm (Protected_scm const &);
   ~Protected_scm ();
   Protected_scm &operator = (Protected_scm const &);
-  operator SCM ();
+  operator SCM () const;
   SCM to_SCM () const;
 };