K 10
svn:author
V 6
jbeich
K 8
svn:date
V 27
2017-11-27T18:00:23.890418Z
K 7
svn:log
V 283
MFH: r454000 r454192

www/firefox: backport FF57+ fixes

No time to track down upstream commits for

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1384615,1386490,1393840,1403716

PR:		222859
Security:	f78eac48-c3d1-4666-8de5-63ceea25a578
Approved by:	ports-secteam (feld, swills)

END