MFH: r414684

mail/thunderbird: update to 45.1.0

• Update ENIGMAIL to 1.9.2 [1]

Changes: https://www.mozilla.org/thunderbird/45.1.0/releasenotes/
Changes: https://www.enigmail.net/index.php/en/download/changelog [1]
PR: 209155 [1]
Submitted by: mi [1]
Security: 92d44f83-a7bf-41cf-91ee-3d1b8ecf579f
Approved by: ports-secteam (feld)