Require cairo >= 1.12.10
Require cairo >= 1.12.10

Needed for threadsafety bug fixes.

Bug 700247 - test-pangocairo-threads segfaults

Distrotech/pango,Distrotech/pango,danny-ku/pango,Distrotech/pango,danny-ku/pango,kari-lentz/alpha-pango,danny-ku/pango,kari-lentz/alpha-pango,kari-lentz/alpha-pango,kari-lentz/alpha-pango