drm/vmwgfx: Fix uninitialized return in vmw_cotable_unbind()
drm/vmwgfx: Fix uninitialized return in vmw_cotable_unbind()

Function vmw_cotable_unbind() uses the uninitialized variable ret as
return value. Make the result deterministic and directly return as
the variable is unused anyway. Detected by Coverity CID 1324256.

Signed-off-by: Christian Engelmayer <426f95a839c55c67af64a403cbb9189f8d39e4c6@gmx.at>
Reviewed-by: Sinclair Yeh <326bbc75ae5821d6c8d1817b260a4d8d0fdf1f63@vmware.com>
Reviewed-by: Thomas Hellstrom <a26490dfbee4be3d38287ad6448444504f58193c@vmware.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs