K 10
svn:author
V 6
jbeich
K 8
svn:date
V 27
2018-04-28T00:45:53.659361Z
K 7
svn:log
V 146
MFH: r468512

www/firefox-esr: update to 52.7.4

Changes:	https://www.mozilla.org/firefox/52.7.4/releasenotes/
Approved by:	ports-secteam blanket

END