Release: bump Welcome versions.

[lilypond.git] / lily / stem-tremolo.cc

diff --git a/lily/stem-tremolo.cc b/lily/stem-tremolo.cc
index 75d25f43cf4f1d5cc5a4e2f6b26c0b34b4111d89..5f71607a37b89b8877ea58c832c9521cb0163aa7 100644 (file)
--- a/lily/stem-tremolo.cc
+++ b/lily/stem-tremolo.cc
@@ -261,7 +261,7 @@ Stem_tremolo::calc_direction (SCM smob)
    */
   Grob *maybe_nc = stem->get_parent (X_AXIS)->get_parent (X_AXIS);
   bool whole_note = Stem::duration_log (stem) <= 0;
-  if (whole_note && Note_collision_interface::has_interface (maybe_nc))
+  if (whole_note && has_interface<Note_collision_interface> (maybe_nc))
     {
       Drul_array<bool> avoid_me (false, false);
       vector<int> all_nhps = Note_collision_interface::note_head_positions (maybe_nc);