Fix Cairo issue on macOS Big Sur
commitc0aa77d2eae23bd3809e7b06c1ec82425f25ec30
authorAlexander Köplinger <alex.koeplinger@outlook.com>
Fri, 24 Jul 2020 11:54:40 +0000 (24 13:54 +0200)
committerAlexander Köplinger <alex.koeplinger@outlook.com>
Fri, 24 Jul 2020 11:54:57 +0000 (24 13:54 +0200)
tree8d8840e348103e14291a4dba6652df30c0854654
parentaafaa6d93f8022cab1fb4ca487218dfefcf813dc
Fix Cairo issue on macOS Big Sur
Bumps bockbuild to get the changes from mono/bockbuild#162

BigSur's CoreGraphics seems to need a copy of the data to stick around longer than the surface,
so we provide it a copy of the data instead.

Backport of https://github.com/mono/mono/pull/20154 to master
external/bockbuild