SPDX-FileCopyrightText: 2020 Giovanni Mascellani <gio@debian.org>

SPDX-License-Identifier: GPL-3.0-or-later

commit b1127f6821cc9c40c5a9ee406bee7564c549d9a3
Author: Giovanni Mascellani <gio@debian.org>
Date:   Thu Mar 26 18:02:01 2020 +0100

    Compile bison.

diff --git lib/fseterr.c lib/fseterr.c
index 8cd68e8..0ec7e2c 100644
--- lib/fseterr.c
+++ lib/fseterr.c
@@ -53,7 +53,7 @@ fseterr (FILE *fp)
 #elif defined EPLAN9                /* Plan9 */
   if (fp->state != 0 /* CLOSED */)
     fp->state = 5 /* ERR */;
-#elif 0                             /* unknown  */
+#elif 1                             /* unknown  */
   /* Portable fallback, based on an idea by Rich Felker.
      Wow! 6 system calls for something that is just a bit operation!
      Not activated on any system, because there is no way to repair FP when