use vars with NDEBUG too.

diff --git a/lily/grob-property.cc b/lily/grob-property.cc
index d7f29aed3db1e29b7d9ade31f27ed6178dad5f64..4034eb829725720519f73c5de636bdd73bcee0d0 100644 (file)
--- a/lily/grob-property.cc
+++ b/lily/grob-property.cc
@@ -86,6 +86,10 @@ Grob::instrumented_set_property (SCM sym, SCM v,
                             scm_from_int (line),
                             scm_from_locale_string (fun),
                             sym, v, SCM_UNDEFINED));
+#else
+  (void) file;
+  (void) line;
+  (void) fun;
 #endif
   
   internal_set_property (sym, v);