Cannot find CUjit_target_enum members

after calling 

```
go install gorgonia.org/cu/cmd/cudatest@latest
```

I get this error:

```
/home/miner/go/pkg/mod/gorgonia.org/cu@v0.9.4/jit.go:138:32: could not determine kind of name for C.CU_TARGET_COMPUTE_20
/home/miner/go/pkg/mod/gorgonia.org/cu@v0.9.4/jit.go:139:32: could not determine kind of name for C.CU_TARGET_COMPUTE_21
```