[libvirt] [PATCH] Update to latest GNULIB to fix compat with Mingw64 toolchain

[Daniel P. Berrange]

From: "Daniel P. Berrange" <berrange at redhat.com>

On both x86_64-w64-mingw32 and i686-w64-mingw32 there were
the following warnings/errors:

  CC     fstat.lo
../../../gnulib/lib/fstat.c:27:0: warning: "stat" redefined [enabled by default]
In file included from ./sys/stat.h:32:0,
                 from ../../../gnulib/lib/fstat.c:25:
/usr/x86_64-w64-mingw32/sys-root/mingw/include/sys/stat.h:258:0: note: this is the location of the previous definition
../../../gnulib/lib/fstat.c:28:0: warning: "fstat" redefined [enabled by default]
In file included from ./sys/stat.h:32:0,
                 from ../../../gnulib/lib/fstat.c:25:
/usr/x86_64-w64-mingw32/sys-root/mingw/include/sys/stat.h:259:0: note: this is the location of the previous definition

  CC     stat.lo
../../../gnulib/lib/stat.c:32:0: warning: "stat" redefined [enabled by default]
In file included from ./sys/stat.h:32:0,
                 from ../../../gnulib/lib/stat.c:27:
/usr/x86_64-w64-mingw32/sys-root/mingw/include/sys/stat.h:258:0: note: this is the location of the previous definition

  CC     stdio-read.lo
../../../gnulib/lib/stdio-read.c:102:1: error: redefinition of 'vscanf'
In file included from ./stdio.h:43:0,
                 from ../../../gnulib/lib/stdio-read.c:21:
/usr/x86_64-w64-mingw32/sys-root/mingw/include/stdio.h:397:7: note: previous definition of 'vscanf' was here
../../../gnulib/lib/stdio-read.c:108:1: error: redefinition of 'vfscanf'
In file included from ./stdio.h:43:0,
                 from ../../../gnulib/lib/stdio-read.c:21:
/usr/x86_64-w64-mingw32/sys-root/mingw/include/stdio.h:384:7: note: previous definition of 'vfscanf' was here
make[3]: *** [stdio-read.lo] Error 1
make[3]: Leaving directory `/home/berrange/src/virt/libvirt/build/gnulib/lib'

While on x86_64-w64-mingw32 only there was:

In file included from ../../../gnulib/lib/regex.c:69:0:
../../../gnulib/lib/regcomp.c: In function 'parse_dup_op':
../../../gnulib/lib/regcomp.c:2624:39: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
../../../gnulib/lib/regcomp.c: In function 'mark_opt_subexp':
../../../gnulib/lib/regcomp.c:3859:19: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
---
 .gnulib |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.gnulib b/.gnulib
index 77cef20..a02ba4b 160000
--- a/.gnulib
+++ b/.gnulib
@@ -1 +1 @@
-Subproject commit 77cef2022004c4066e805da09a83b2c77f17bdd3
+Subproject commit a02ba4bf889fee4622db87f185c3d0af84d74ae7
-- 
1.7.10.2