Replace JS_SealObject by JS_FreezeObject
Replace JS_SealObject by JS_FreezeObject

https://bugzilla.gnome.org/show_bug.cgi?id=632529

joeshaw/gjs,pixunil/cjs,magcius/gjs,pixunil/cjs,pixunil/cjs,joeshaw/gjs,mtwebster/cjs,endlessm/gjs,mtwebster/cjs,joeshaw/gjs,djdeath/gjs,endlessm/gjs,joeshaw/gjs,djdeath/gjs,endlessm/gjs,pixunil/cjs,djdeath/gjs,magcius/gjs,magcius/gjs,mtwebster/cjs,endlessm/gjs,pixunil/cjs,joeshaw/gjs,endlessm/gjs,magcius/gjs,djdeath/gjs,mtwebster/cjs,magcius/gjs,djdeath/gjs,mtwebster/cjs