Add pref svg.marker-improvements.enabled from http://hg.mozilla.org/mozilla-central/rev/ba070286a470
Add pref svg.marker-improvements.enabled from http://hg.mozilla.org/mozilla-central/rev/ba070286a470

MozillaSecurity/funfuzz,nth10sd/funfuzz,MozillaSecurity/funfuzz,MozillaSecurity/funfuzz,nth10sd/funfuzz,nth10sd/funfuzz