1 files changed, 1 insertions, 0 deletions
diff --git a/sorters.h b/sorters.h
index dbaf59e..a5c0f14 100644
--- a/sorters.h
+++ b/sorters.h
@@ -15,6 +15,7 @@ void freebsd_qsort(void *, size_t, size_t, cmpfun);
 void wikisort(void *, size_t, size_t, cmpfun);
 void wikisort_ref(void *, size_t, size_t, cmpfun);
 void grailsort(void *, size_t, size_t, cmpfun);
+void grailsort_ref(void *, size_t, size_t, cmpfun);
 
 extern const struct sorter {
 	const char *name;