Problem with Fetch using Let's Encrypt Certificates on Arm?

[Trev]

Russell Haley wrote on 16/07/2018 08:41:
> I'm attempting to pull in a patch from the reviews board and I get the
> following error:
> 
> freebsd at imx6:~ % fetch
> https://reviews.freebsd.org/file/data/wa7jc7bpnhvjhm5espm7/PHID-FILE-6tz3dv32poii5fmqh5ve/D13690.diff
> Certificate verification failed for /C=US/O=Let's Encrypt/CN=Let's Encrypt
> Authority X3
> 539735016:error:14090086:SSL
> routines:ssl3_get_server_certificate:certificate verify
> failed:/usr/src/crypto/openssl/ssl/s3_clnt.c:1269:
[...]
> Thoughts?

Do you have ca_root_nss-3.38 - Root certificate bundle from the Mozilla 
Project installed?