librpc/ndr: Fix fuzz CI on latest tumbleweed

librpc/ndr: Fix fuzz CI on latest tumbleweed

running samba-fuzz CI job on latest tumbleweed docker image results in;

../../librpc/ndr/ndr_orpc.c: In function ‘ndr_print_DUALSTRINGARRAY’:
../../librpc/ndr/ndr_orpc.c:97:49: error: ‘snprintf’ output may be truncated before the last format character [-Werror=format-truncation=]
   97 |                 snprintf(idx, sizeof(idx), "[%d]", i);
      |                                                 ^
../../librpc/ndr/ndr_orpc.c:97:17: note: ‘snprintf’ output between 4 and 14 bytes into a destination of size 13
   97 |                 snprintf(idx, sizeof(idx), "[%d]", i);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../librpc/ndr/ndr_orpc.c:105:49: error: ‘snprintf’ output may be truncated before the last format character [-Werror=format-truncation=]
  105 |                 snprintf(idx, sizeof(idx), "[%d]", i);
      |                                                 ^
../../librpc/ndr/ndr_orpc.c:105:17: note: ‘snprintf’ output between 4 and 14 bytes into a destination of size 13
  105 |                 snprintf(idx, sizeof(idx), "[%d]", i);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../librpc/ndr/ndr_orpc.c: In function ‘ndr_print_STRINGARRAY’:
../../librpc/ndr/ndr_orpc.c:159:49: error: ‘snprintf’ output may be truncated before the last format character [-Werror=format-truncation=]
  159 |                 snprintf(idx, sizeof(idx), "[%d]", i);
      |                                                 ^
../../librpc/ndr/ndr_orpc.c:159:17: note: ‘snprintf’ output between 4 and 14 bytes into a destination of size 13
  159 |                 snprintf(idx, sizeof(idx), "[%d]", i);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Autobuild-User(master): Douglas Bagnall <dbagnall@samba.org>
Autobuild-Date(master): Tue Sep 10 01:22:28 UTC 2024 on atb-devel-224