[PATCH] x11drv: handle missing thread data in X11DRV_get_ic

[Alex Henrie]

Hello, and thanks for your interest in contributing to Wine! When
sending patches, please follow the instructions at
<https://wiki.winehq.org/Submitting_Patches>. In particular, the Wine
project requires each contributor to put their real name on their
patches. A link to a bug report could also help your patch get
accepted.

-Alex