portsnap failing on armv6

[Jia-Shiun Li]

Interestingly it does not fail on aarch64 or amd64. Only armv6.


# portsnap fetch
Looking up portsnap.FreeBSD.org mirrors... 6 mirrors found.
Fetching public key from ec2-ap-northeast-1.portsnap.freebsd.org... done.
Fetching snapshot tag from ec2-ap-northeast-1.portsnap.freebsd.org... done.
Fetching snapshot metadata... done.
Fetching snapshot generated at Tue Mar 14 08:07:45 CST 2017:
1ef35c58b905caf4c1ef8cf618bf3185c13b82fe73f0aa100% of   75 MB  142 kBps
09m02s
Extracting snapshot... done.
Verifying snapshot integrity... lam: unable to limit rights on: -: Function
not implemented
unexpected files in snapshot.
# uname -a
FreeBSD rpi2 12.0-CURRENT FreeBSD 12.0-CURRENT #0 r315196: Tue Mar 14
00:39:42 CST 2017     jsli at 4cbsd:/personal/freebsd/
obj/x64/arm.armv6/personal/freebsd/fbsdsrc/sys/RPI2-NODEBUG  arm

-Jia-Shiun