LC_CTYPE locale must be of UTF-8 type (pt_BR locale)

```
# logkeys --start
logkeys: LC_CTYPE locale must be of UTF-8 type

root@motavia:/# locale -a
C
POSIX
pt_BR.utf8

root@motavia:/# locale
LANG=pt_BR.UTF-8
LANGUAGE=pt_BR:pt:en
LC_CTYPE="pt_BR.UTF-8"
LC_NUMERIC="pt_BR.UTF-8"
LC_TIME="pt_BR.UTF-8"
LC_COLLATE="pt_BR.UTF-8"
LC_MONETARY="pt_BR.UTF-8"
LC_MESSAGES="pt_BR.UTF-8"
LC_PAPER="pt_BR.UTF-8"
LC_NAME="pt_BR.UTF-8"
LC_ADDRESS="pt_BR.UTF-8"
LC_TELEPHONE="pt_BR.UTF-8"
LC_MEASUREMENT="pt_BR.UTF-8"
LC_IDENTIFICATION="pt_BR.UTF-8"
LC_ALL=

Version: 0.1.1a
OS: Debian 6.0
```

Original issue reported on code.google.com by `ottoteix...@gmail.com` on 14 Nov 2012 at 3:33

Attachments:
- [output-devices](https://storage.googleapis.com/google-code-attachments/logkeys/issue-99/comment-0/output-devices)
- [output-dumpkeys](https://storage.googleapis.com/google-code-attachments/logkeys/issue-99/comment-0/output-dumpkeys)

Reproduce with `logkeys --start` under the shown pt_BR.UTF-8 environment, comparing `locale -a` with the reported failure. Trace the locale validation entry point; done means logkeys accepts the available UTF-8 locale instead of emitting the error.

Written by the indexing model from the issue text.