53248887f9
See https://www.mozilla.org/en-US/firefox/60.1.0/releasenotes/ Fixes https://www.mozilla.org/en-US/security/advisories/mfsa2018-16/ Now builds against bundled icu, cairo & hunspell, and build-requires rust and llvm. This is more or less what was in www/mozilla-firefox before the update to 61. Add patch from #1470961 to fix build with system sqlite. Note that the install directory is renamed from lib/firefox-esr-${VERSION} to lib/firefox-esr to follow mainline firefox.