[COMMITTED] glob: Silence warning about void pointer arithmetic

[Adhemerval Zanella]

Sync with gnulib 0e14f025d2.

Checked on x86_64-linux-gnu.

	* lib/glob.c (glob): Use a 'char *', not a 'void *', in pointer
	arithmetic.

Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
---
 ChangeLog    | 3 +++
 posix/glob.c | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/posix/glob.c b/posix/glob.c
index 511ec4b..8557196 100644
--- a/posix/glob.c
+++ b/posix/glob.c
@@ -641,7 +641,8 @@ __glob (const char *pattern, int flags, int (*errfunc) (const char *, int),
 		    {
 # if defined HAVE_GETPWNAM_R || defined _LIBC
 		      size_t ssize = strlen (s.data) + 1;
-		      err = getpwnam_r (s.data, &pwbuf, s.data + ssize,
+		      char *sdata = s.data;
+		      err = getpwnam_r (sdata, &pwbuf, sdata + ssize,
 					s.length - ssize, &p);
 # else
 		      p = getpwnam (s.data);
-- 
2.7.4