* lily/include/lily-guile.hh: compatibility glue for 1.6

[lilypond.git] / lily / staff-performer.cc

diff --git a/lily/staff-performer.cc b/lily/staff-performer.cc
index 7cb78b53805d1130416618d2e26ee6707efac537..6a028a6f679daf41459158c4621adec8d8fda03f 100644 (file)
--- a/lily/staff-performer.cc
+++ b/lily/staff-performer.cc
@@ -130,7 +130,7 @@ Staff_performer::new_instrument_string ()
   // mustn't ask Score for instrument: it will return piano!
   SCM minstr = get_property ("midiInstrument");
 
-  if (!ly_c_string_p (minstr)
+  if (!scm_is_string (minstr)
       || ly_scm2string (minstr) == instrument_string_)
     return "";