#include "lily-guile.hh"
-void note_property_access (SCM *table, SCM sym);
-extern SCM context_property_lookup_table;
-extern SCM grob_property_lookup_table;
-extern SCM prob_property_lookup_table;
+class Protected_scm;
+
+void note_property_access (Protected_scm *table, SCM sym);
+extern Protected_scm context_property_lookup_table;
+extern Protected_scm grob_property_lookup_table;
+extern Protected_scm prob_property_lookup_table;
extern bool profile_property_accesses;
#endif /* PROFILE_HH */