Reading compressed character maps and gzip EPIPE issues.

[Florian Weimer]

* Andreas Schwab:

> On Nov 24 2019, Carlos O'Donell wrote:
>
>> Should localedef use POSIX_SPAWN_SETSIGDEF to set SIGPIPE to SIG_DFL
>> in the child (see locale/programs/charmap-dir.c:fopen_uncompressed)?
>
> localedef has not business messing with signals.  If the parent ignores
> SIGPIPE its their problem.

I agree.  This is an environment issue.