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/shred.c b/src/shred.c
index 6b7d90167..1e7bffb90 100644
--- a/src/shred.c
+++ b/src/shred.c
@@ -1099,7 +1099,7 @@ int
 main (int argc, char **argv)
 {
   bool ok = true;
-  struct Options flags = { 0, };
+  DECLARE_ZEROED_AGGREGATE (struct Options, flags);
   char **file;
   int n_files;
   int c;