Doc: Usage - tidy up of external.itely file

[lilypond.git] / lily / all-font-metrics.cc

diff --git a/lily/all-font-metrics.cc b/lily/all-font-metrics.cc
index 0c855fd4d08043b30f8e24bac8be2ce14293551c..ca3703369a98ab091a242765ec2b7c5e0a055208 100644 (file)
--- a/lily/all-font-metrics.cc
+++ b/lily/all-font-metrics.cc
@@ -72,7 +72,7 @@ All_font_metrics::~All_font_metrics ()
 }
 
 SCM
-All_font_metrics::mark_smob ()
+All_font_metrics::mark_smob () const
 {
 #if HAVE_PANGO_FT2
   if (pango_dict_)