fix#1157 for the following source code
```
section "hSAVE_locals",HRAM
func3.hSpam: ds 1 ; no longer produces an error
;.hEggs: ds 1 ; uncomment this to see the new error
section "demo",ROM0
func3:
ldh a, [.hSpam]
ret
```
Remove two errors:
- `Not currently in the scope of 'func3'`
- `Local label 'func3.hSpam' in main scope`
Add one error:
- `Relative local label '.hSpam' in main scope`
Co-authored-by: Rangi <35663410+Rangi42@users.noreply.github.com>
POSIX leaves undefined the order of output if stderr is injected into stdout,
and in practice it differs on Windows (Linux buffers both streams separately,
Windows interleaves them as they arrive without buffering).
This should help testing on other platforms