build: Update m4/iconv.m4.
* m4/iconv.m4: Update from gettext 0.20.1.
This includes fixes of file descriptor leaks.
- GnuPG-bug-id: T4504
- Signed-off-by: NIIBE Yutaka <email@example.com>
|gniibe||May 13 2019, 8:15 AM|
This was a change (fixing file descriptor leaks in iconv.m4) that I needed to do for building fuzzing