Update to latest gnulib

GnuLib has now fixed the incompatibility with latest GLibC
that was affecting builds on Fedora rawhide. We can thus
update and drop our local workaround.
Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com>

.gnulib @ d6397dde

-Subproject commit 0404c9ae2845cbf93d71b295b67d6c8bd39382d8
+Subproject commit d6397dde2e127e246e3eeb5254a21f42cac783c8

bootstrap

 #! /bin/sh
 # Print a version string.
-scriptversion=2017-09-19.08; # UTC
+scriptversion=2018-03-07.03; # UTC
 
 # Bootstrap this package from checked-out sources.
 
@@ -1020,7 +1020,7 @@ bootstrap_epilogue
 echo "$0: done.  Now you can run './configure'."
 
 # Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
 # time-stamp-time-zone: "UTC0"

gnulib/local/lib/fflush.c.diff

-diff --git a/lib/fflush.c b/lib/fflush.c
-index 983ade0ff..5f617305a 100644
---- a/lib/fflush.c
-+++ b/lib/fflush.c
-@@ -32,8 +32,8 @@
- 
- #undef fflush
- 
--
--#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
-+#define _IO_IN_BACKUP 0x100
-+#if defined _IO_ftrylockfile || __GNU_LIBRARY__ /* GNU libc, BeOS, Haiku, Linux libc5 */
- 
- /* Clear the stream's ungetc buffer, preserving the value of ftello (fp).  */
- static void
-@@ -72,7 +72,7 @@ clear_ungetc_buffer (FILE *fp)
- 
- #endif
- 
--#if ! (defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */)
-+#if ! (defined _IO_ftrylockfile || __GNU_LIBRARY__ /* GNU libc, BeOS, Haiku, Linux libc5 */)
- 
- # if (defined __sferror || defined __DragonFly__ || defined __ANDROID__) && defined __SNPT
- /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
-@@ -148,7 +148,7 @@ rpl_fflush (FILE *stream)
-   if (stream == NULL || ! freading (stream))
-     return fflush (stream);
- 
--#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
-+#if defined _IO_ftrylockfile || __GNU_LIBRARY__ /* GNU libc, BeOS, Haiku, Linux libc5 */
- 
-   clear_ungetc_buffer_preserving_position (stream);
- 

gnulib/local/lib/fpurge.c.diff

-diff --git a/lib/fpurge.c b/lib/fpurge.c
-index b1d417c7a..75cf34ca2 100644
---- a/lib/fpurge.c
-+++ b/lib/fpurge.c
-@@ -62,7 +62,7 @@ fpurge (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_ftrylockfile || __GNU_LIBRARY__ /* GNU libc, BeOS, Haiku, Linux libc5 */
-   fp->_IO_read_end = fp->_IO_read_ptr;
-   fp->_IO_write_ptr = fp->_IO_write_base;
-   /* Avoid memory leak when there is an active ungetc buffer.  */

gnulib/local/lib/freading.c.diff

-diff --git a/lib/freading.c b/lib/freading.c
-index 73c28acdd..b1c397016 100644
---- a/lib/freading.c
-+++ b/lib/freading.c
-@@ -31,7 +31,7 @@ freading (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_ftrylockfile || __GNU_LIBRARY__ /* GNU libc, BeOS, Haiku, Linux libc5 */
-   return ((fp->_flags & _IO_NO_WRITES) != 0
-           || ((fp->_flags & (_IO_NO_READS | _IO_CURRENTLY_PUTTING)) == 0
-               && fp->_IO_read_base != NULL));

gnulib/local/lib/fseeko.c.diff

-diff --git a/lib/fseeko.c b/lib/fseeko.c
-index 0101ab55f..542241bb2 100644
---- a/lib/fseeko.c
-+++ b/lib/fseeko.c
-@@ -47,7 +47,7 @@ fseeko (FILE *fp, off_t offset, int whence)
- #endif
- 
-   /* These tests are based on fpurge.c.  */
--#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
-+#if defined _IO_ftrylockfile || __GNU_LIBRARY__ /* GNU libc, BeOS, Haiku, Linux libc5 */
-   if (fp->_IO_read_end == fp->_IO_read_ptr
-       && fp->_IO_write_ptr == fp->_IO_write_base
-       && fp->_IO_save_base == NULL)
-@@ -123,7 +123,7 @@ fseeko (FILE *fp, off_t offset, int whence)
-           return -1;
-         }
- 
--#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
-+#if defined _IO_ftrylockfile || __GNU_LIBRARY__ /* GNU libc, BeOS, Haiku, Linux libc5 */
-       fp->_flags &= ~_IO_EOF_SEEN;
-       fp->_offset = pos;
- #elif defined __sferror || defined __DragonFly__ || defined __ANDROID__