trim duplicate headers.

[lilypond.git] / lily / include / tie-column.hh

diff --git a/lily/include/tie-column.hh b/lily/include/tie-column.hh
index ff101a883984cee19af77056c6c8bbfc5dc872ab..77d6d68a7809e86874dc02c92a889377f1d6abc6 100644 (file)
--- a/lily/include/tie-column.hh
+++ b/lily/include/tie-column.hh
@@ -9,13 +9,13 @@
 #ifndef TIE_COLUMN_HH
 #define TIE_COLUMN_HH
 
+#include "grob-interface.hh"
 #include "lily-proto.hh"
-#include "lily-guile.hh"
 
 class Tie_column
 {
 public:
-  static bool has_interface (Grob *);
+  DECLARE_GROB_INTERFACE();
   static void add_tie (Grob *me, Grob *);
   DECLARE_SCHEME_CALLBACK (calc_positioning_done, (SCM));
   DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM));