Includes fixes for CVE-2018-12363, CVE-2018-12364, CVE-2018-12366, the
remaining 1 out of 2 changesets for CVE-2018-5156, and the remaining 7 out
of 17 changesets for CVE-2018-5188.
* gnu/packages/gnuzilla.scm (icecat)[source]: Add selected fixes from
the upstream mozilla-esr52 repository.
* gnu/packages/patches/icecat-bug-1413868-pt1.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
Mark H Weaver