build: update gnulib submodule to latest

This includes a change to propagate the 4th "mount root"
field from /proc/self/mountinfo from the mountlist module,
which is needed in a subsequent commit in df.

* gl/lib/regcomp.c.diff: Regenerate against latest gnulib.
* gl/lib/regex_internal.c.diff: Likewise.
* gl/lib/regex_internal.h.diff: Likewise.
* cfg.mk: Exclude diffs from trailing whitespace check,
which is generally correct, and now needed.

3 files changed, 17 insertions, 17 deletions

diff --git a/gl/lib/regcomp.c.diff b/gl/lib/regcomp.c.diff
index cc6649f2e..6ee51dad2 100644
--- a/gl/lib/regcomp.c.diff
+++ b/gl/lib/regcomp.c.diff
@@ -1,8 +1,8 @@
 diff --git a/lib/regcomp.c b/lib/regcomp.c
-index 840220f..192632c 100644
+index 4cbb1b2..ac81318 100644
 --- a/lib/regcomp.c
 +++ b/lib/regcomp.c
-@@ -540,7 +540,7 @@ regerror (errcode, preg, errbuf, errbuf_size)
+@@ -544,7 +544,7 @@ regerror (errcode, preg, errbuf, errbuf_size)
      size_t errbuf_size;
  #else /* size_t might promote */
  size_t
@@ -11,8 +11,8 @@ index 840220f..192632c 100644
  	  char *_Restrict_ errbuf, size_t errbuf_size)
  #endif
  {
-@@ -1427,7 +1427,7 @@ calc_first (void *extra, bin_tree_t *node)
-
+@@ -1431,7 +1431,7 @@ calc_first (void *extra, bin_tree_t *node)
+ 
  /* Pass 2: compute NEXT on the tree.  Preorder visit.  */
  static reg_errcode_t
 -calc_next (void *extra, bin_tree_t *node)
@@ -20,7 +20,7 @@ index 840220f..192632c 100644
  {
    switch (node->token.type)
      {
-@@ -2820,8 +2820,10 @@ build_range_exp (const reg_syntax_t syntax,
+@@ -2828,8 +2828,10 @@ build_range_exp (const reg_syntax_t syntax,
  static reg_errcode_t
  internal_function
  # ifdef RE_ENABLE_I18N
@@ -33,8 +33,8 @@ index 840220f..192632c 100644
  # else /* not RE_ENABLE_I18N */
  build_collating_symbol (bitset_t sbcset, const unsigned char *name)
  # endif /* not RE_ENABLE_I18N */
-@@ -3389,7 +3391,8 @@ parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
-
+@@ -3399,7 +3401,8 @@ parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
+ 
  static reg_errcode_t
  parse_bracket_element (bracket_elem_t *elem, re_string_t *regexp,
 -		       re_token_t *token, int token_len, re_dfa_t *dfa,
@@ -43,8 +43,8 @@ index 840220f..192632c 100644
  		       reg_syntax_t syntax, bool accept_hyphen)
  {
  #ifdef RE_ENABLE_I18N
-@@ -3476,8 +3479,10 @@ parse_bracket_symbol (bracket_elem_t *elem, re_string_t *regexp,
-
+@@ -3486,8 +3489,10 @@ parse_bracket_symbol (bracket_elem_t *elem, re_string_t *regexp,
+ 
  static reg_errcode_t
  #ifdef RE_ENABLE_I18N
 -build_equiv_class (bitset_t sbcset, re_charset_t *mbcset,
@@ -56,9 +56,9 @@ index 840220f..192632c 100644
  #else /* not RE_ENABLE_I18N */
  build_equiv_class (bitset_t sbcset, const unsigned char *name)
  #endif /* not RE_ENABLE_I18N */
-@@ -3883,7 +3888,7 @@ free_token (re_token_t *node)
+@@ -3891,7 +3896,7 @@ free_token (re_token_t *node)
     and its children. */
-
+ 
  static reg_errcode_t
 -free_tree (void *extra, bin_tree_t *node)
 +free_tree (void *extra _UNUSED_PARAMETER_, bin_tree_t *node)
diff --git a/gl/lib/regex_internal.c.diff b/gl/lib/regex_internal.c.diff
index 355cadb42..2a72e0de7 100644
--- a/gl/lib/regex_internal.c.diff
+++ b/gl/lib/regex_internal.c.diff
@@ -1,11 +1,11 @@
 diff --git a/lib/regex_internal.c b/lib/regex_internal.c
-index 36ae6ab..c11ff09 100644
+index 93d7ee9..9b86a07 100644
 --- a/lib/regex_internal.c
 +++ b/lib/regex_internal.c
 @@ -17,6 +17,8 @@
     License along with the GNU C Library; if not, see
     <http://www.gnu.org/licenses/>.  */
-
+ 
 +#include "verify.h"
 +#include "intprops.h"
  static void re_string_construct_common (const char *str, Idx len,
diff --git a/gl/lib/regex_internal.h.diff b/gl/lib/regex_internal.h.diff
index a4d78af21..66ea41714 100644
--- a/gl/lib/regex_internal.h.diff
+++ b/gl/lib/regex_internal.h.diff
@@ -1,14 +1,14 @@
 diff --git a/lib/regex_internal.h b/lib/regex_internal.h
-index ff486bb..ff85ac8 100644
+index 0307a34..45c2d44 100644
 --- a/lib/regex_internal.h
 +++ b/lib/regex_internal.h
-@@ -863,7 +863,8 @@ re_string_wchar_at (const re_string_t *pstr, Idx idx)
- # ifndef NOT_IN_libc
+@@ -868,7 +868,8 @@ re_string_wchar_at (const re_string_t *pstr, Idx idx)
+ 
  static int
  internal_function __attribute__ ((pure, unused))
 -re_string_elem_size_at (const re_string_t *pstr, Idx idx)
 +re_string_elem_size_at (const re_string_t *pstr _UNUSED_PARAMETER_,
 +			Idx idx _UNUSED_PARAMETER_)
  {
- #  ifdef _LIBC
+ # ifdef _LIBC
    const unsigned char *p, *extra;