1 files changed, 1 insertions, 0 deletions
diff --git a/arith.h b/arith.h
index c66e6844..f5646831 100644
--- a/arith.h
+++ b/arith.h
@@ -62,4 +62,5 @@ val rpoly(val x, val seq);
 
 NORETURN void do_mp_error(val self, mp_err code);
 void arith_init(void);
+void arith_compat_fixup(int compat_ver);
 void arith_free_all(void);