lang/intel-compute-runtime: avoid exit crash after 4f322003b416

Previously fixed by 21b8a28407f1 but regressed due to 7fb391c17c8b
taking a different path/file after 4f322003b416 which incompletely
rebased on https://github.com/intel/compute-runtime/commit/d223508cadcd

$ clinfo
[...]
Abort was called at 242 line in file: shared/source/os_interface/linux/drm_neo.cpp