fail2ban / fail2ban / 3416 / 4

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travis-ci

avoid using "ANSI_X3.4-1968" as preferred encoding, if missing environment variables 'LANGUAGE', 'LC_ALL', 'LC_CTYPE', and 'LANG'
(especially critical if default value `encoding = auto` configured).

As PoC and coverage (this case fails without this "fix"):
$ env -i PATH="$PATH" bin/fail2ban-testcases --fast --no-network testAddBanInvalidEncoded

3403 of 3785 branches covered (89.91%)

11576 of 12059 relevant lines covered (95.99%)

0.96 hits per line