tree 4b1ffb5bded28f436c43296f23cf639172117e38
parent 980e25cad2e58c31f5361862b9223d94ec47fc7a
author Behdad Esfahbod <behdad@behdad.org> 1443792089 +0100
committer Behdad Esfahbod <behdad@behdad.org> 1443792089 +0100

Make hb_font_create_sub_font() NOT make parent immutable

We don't rely on that.  However, whenever hb_font_make_immutable()
is called, it makes its parenting chain immutable.