Update from Gnulib

This includes:
2018-03-07 maint: write-file-hooks -> before-save-hook
2018-03-05 binary-io: pacify gcc -Wunused-parameter
2018-03-05 fflush: adjust to glibc 2.28 libio.h removal
* build-aux/config.guess, build-aux/config.sub:
* build-aux/gitlog-to-changelog, build-aux/install-sh:
* build-aux/move-if-change, build-aux/update-copyright:
* doc/misc/texinfo.tex, lib/binary-io.h, lib/fpending.c:
* lib/stdio-impl.h: Copy from Gnulib.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/fpending.c b/lib/fpending.c
index c84e3a5b4ec..789f50e4e4b 100644
--- a/lib/fpending.c
+++ b/lib/fpending.c
@@ -32,7 +32,7 @@ __fpending (FILE *fp)
   /* Most systems provide FILE as a struct and the necessary bitmask in
      <stdio.h>, because they need it for implementing getc() and putc() as
      fast macros.  */
-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
+#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
   return fp->_IO_write_ptr - fp->_IO_write_base;
 #elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
   /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */