After mutt-1.10.0_1 -> mutt-1.10.1 upgrade, gnupg fails

[David Wolfskill]

This is running:

FreeBSD g1-215.catwhisker.org 11.2-STABLE FreeBSD 11.2-STABLE #685  r336523M/336541:1102501: Fri Jul 20 03:40:05 PDT 2018     root at g1-215.catwhisker.org:/common/S1/obj/usr/src/sys/CANARY  amd64

and after updating all installed ports to reflect the ports "head"
branch at r475002.

A symptom is that an attempt to send a signed, unencrypted message
yields a failure, with the messages:

| gpg: skipped "0x6757003D": Unusable secret key
| gpg: signing failed: Unusable secret key

This works on another machine (the one I'm using to send this
message), with the same gnupg/mutt setup, but running mutt-1.10.0_1.

I have not configured mutt to use gpgme, though I'm willing to try
it.  I recall that I needed to tweak ~/.muttrc a bit after the
gnupg-2.0 -> gnupg-2.1 update -- though that change was merely
commenting out the 'pgp_verify_command' line.

I note that a result of the mutt upgrade is that
/usr/local/share/examples/mutt/gpg.rc has changed, but that change
was merely to remove the pgp_decryption_okay setting (which I don't
have) and add 'set pgp_check_gpg_decrypt_status_fd'; I tried adding
that, to no avail.

Any hints or suggestions?

Thanks!

Peace,
david
-- 
David H. Wolfskill				david at catwhisker.org
Trump is providing aid and comfort to a regime that is hostile to US interests.

See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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