K 10
svn:author
V 6
jbeich
K 8
svn:date
V 27
2018-01-27T01:25:41.002607Z
K 7
svn:log
V 199
MFH: r459899

mail/thunderbird: update to 52.6.0

Changes:	https://www.mozilla.org/thunderbird/52.6.0/releasenotes/
Security:	a891c5b4-3d7a-4de9-9c71-eef3fd698c77
Approved by:	ports-secteam (swills)

END