K 10
svn:author
V 6
jbeich
K 8
svn:date
V 27
2017-09-27T04:12:34.293411Z
K 7
svn:log
V 326
www/firefox: update to 56.0 (rust required)

This is slightly early but due to recent PORTREVISION bump there's no
point doing QA for 55.0.* anymore.

Changes:	https://www.mozilla.org/firefox/56.0/releasenotes/
PR:		221335
Security:	1098a15b-b0f6-42b7-b5c7-8a8646e8be07
MFH:		2017Q3 not possible: requires r447450 and r450556

END