Issue4141/2: Use Xxx:is_smob instead of Xxx:unsmob when used in boolean contexts

[lilypond.git] / lily / beam-collision-engraver.cc

diff --git a/lily/beam-collision-engraver.cc b/lily/beam-collision-engraver.cc
index dd03c7be0c19af7bc89cec922996f2833f8a8d2e..d2fde8419c82d12bb66a194250d7e8f64f85882f 100644 (file)
--- a/lily/beam-collision-engraver.cc
+++ b/lily/beam-collision-engraver.cc
@@ -121,7 +121,7 @@ Beam_collision_engraver::finalize ()
             {
               // Do not consider note heads attached to the beam.
               if (Stem::has_interface (covered_grob))
-                if (Grob::unsmob (covered_grob->get_object ("beam")))
+                if (Grob::is_smob (covered_grob->get_object ("beam")))
                   continue;
 
               if (Grob *stem = Grob::unsmob (covered_grob->get_object ("stem")))