freebsd build error (22)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 80ada959004c flua: kick out the remaining builtin modules
git tree: freebsd-src
console output: https://syzkaller.appspot.com/x/log.txt?x=10064458580000
dashboard link: https://syzkaller.appspot.com/bug?extid=bfdcbbbe0d7e2516b664
userspace arch: i386

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+bfdcbb...@syzkaller.appspotmail.com

lib/libc/stdlib/recallocarray.c:19:10: fatal error: 'stdckdint.h' file not found

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