Change logs for gtk+3.0 source package in 14.09-factory

gtk+3.0 (3.12.2-0ubuntu6) utopic; urgency=medium

  * debian/control.in, debian/libgtk-3-0.symbols, debian/rules:
    - enable the mir backends only on architectures where mir is built
 -- Sebastien Bacher <email address hidden>   Wed, 30 Jul 2014 19:08:26 +0200