Log Message:
Update at-spi2-atk to 2.34.1

What's new in at-spi2-atk 2.34.1:

* socket_embed_hook: Make plug_id parameter const.

What's new in at-spi2-atk 2.34.0:

* Updated doap.

What's new in at-spi2-atk 2.33.92:

* License is now LGPL-2.1+.
* Several test fixes (thanks to Samuel THibault).
* Initialize desktop name/path early; needed since we now defer
  registration.

What's new in at-spi2-atk 2.33.91:

* Defer registration until the main loop is entered. This fixes an issue
  where a Python application could import gtk but not enter the main loop,
  resulting in the application registering with AT-SPI but not responding
  to queries.

* Make sure return values are initialized for some functions.