Referencing an enum of an imported spec doesn't work in some languages
OS: Windows
KSC: kaitai-struct-compiler 0.9-SNAPSHOT

my_enum.ksy
```ksy
meta:
  id: my_enum

enums:
  t:
    0: x
```

my_type.ksy
```ksy
meta:
  id: my_type
  imports:
    - my_enum

seq:
  - id: my_field
    type: u1
    enum: my_enum::t
```

```
>kaitai-struct-compiler -t javascript my_type.ksy
/seq/0: unable to find enum 'my_enum::t', searching from my_type
```