avoid warnings about initialization of automatic aggregates

* src/system.h (DZA_CONCAT0, DZA_CONCAT): New macros.
(DECLARE_ZEROED_AGGREGATE): New macro.
* src/ls.c (quote_name): Use it.
* src/pathchk.c (portable_chars_only): Use it.
* src/shred.c (main): Use it.
* src/stty.c (main): Use it.
* src/wc.c (SUPPORT_OLD_MBRTOWC): Use it.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ls.c b/src/ls.c
index 7619cebc1..008186595 100644
--- a/src/ls.c
+++ b/src/ls.c
@@ -3721,7 +3721,7 @@ quote_name (FILE *out, const char *name, struct quoting_options const *options,
 		     reach its end, replacing each non-printable multibyte
 		     character with a single question mark.  */
 		  {
-		    mbstate_t mbstate = { 0, };
+		    DECLARE_ZEROED_AGGREGATE (mbstate_t, mbstate);
 		    do
 		      {
 			wchar_t wc;