intrpvar.h: Need to initialize PL_utf8_foldable

diff --git a/intrpvar.h b/intrpvar.h
index a4beda6..b45088f 100644 (file)
--- a/intrpvar.h
+++ b/intrpvar.h
@@ -784,7 +784,7 @@ PERLVARI(Iutf8_foldclosures,        HV *, NULL)
 
 /* List of characters that participate in folds (except marks, etc in
  * multi-char folds) */
-PERLVAR(Iutf8_foldable,        HV *)
+PERLVARI(Iutf8_foldable,       HV *, NULL)
 
 PERLVAR(Icustom_ops, HV *)      /* custom op registrations */