Encoding:  Change to only set LC_CTYPE to fix encoding issues with libarchive.

Changing all categories with LC_ALL causes test failures in some locales.
For example, in some locales, the decimal characer could be a comma instead of period.
Merge topic 'setlocale' into next

c746b00e Encoding:  Change to only set LC_CTYPE to fix encoding issues with libarchive.