* gnu/packages/patches/xf86-video-openchrome-includes.patch: Remove.
* gnu/packages/patches/xf86-video-openchrome-glibc-2.20.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it and remove the other.
* gnu/packages/xorg.scm (xf86-video-openchrome): Update to 0.3.3.
Add one patch and remove the other.
