Change the opencl shutdown sequence.
diff --git a/driver-opencl.c b/driver-opencl.c
index d9d9837..5d622cc 100644
--- a/driver-opencl.c
+++ b/driver-opencl.c
@@ -1570,9 +1570,9 @@ static void opencl_thread_shutdown(struct thr_info *thr)
const int thr_id = thr->id;
_clState *clState = clStates[thr_id];
- clReleaseCommandQueue(clState->commandQueue);
clReleaseKernel(clState->kernel);
clReleaseProgram(clState->program);
+ clReleaseCommandQueue(clState->commandQueue);
clReleaseContext(clState->context);
}