Something got too big - build.sh install-image broke!

[Paul Goyette <paul%whooppee.com@localhost>]

With sources updated on 2018-09-05 at 10:59:37 UTC (about 11 hours ago) 
I'm seeing

...
Creating rootfs...
chmod +r work/var/spool/ftp/hidden
/build/netbsd-local/tools/x86_64/amd64/bin/nbmakefs -M 1488977920 -m 1488977920 -B 1234 -F work.spec -N work/etc -o bsize=16384,fsize=2048,density=8192 work.rootfs work
nbmakefs: `work' size of 1496743936 is larger than the maxsize of 1488977920.

*** Failed target:  imgroot.fs


Any clues on what to bump?


+------------------+--------------------------+----------------------------+
| Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:          |
| (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee dot com   |
| Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd dot org |
+------------------+--------------------------+----------------------------+