The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2022.04.06.16.01.06 martin src/sbin/fsck_udf/main.c,v 1.3
Logs can be found at:
http://releng.NetBSD.org/b5reports/i386/commits-2022.04.html#2022.04.06.16.01.06
