[cairo] Issue with Cairo Font Cache

[Lawrence D'Oliveiro]

On Wed, 18 Mar 2015 17:16:29 -0400, Jian Ye wrote:

> If FT_Done_Face( ) is left to Cairo, the c_ftLibrary can not be released.

Correct. It cannot. Of course, you can wrap the FT_Done_Face in your
own routine for Cairo to call, and that will signal to you when you can
release the FT_Library.