Ignore SIGPIPE
Ignore SIGPIPE

Handling SIGPIPE made restic abort when a TCP connection was reset by a
server. This happened on DigitalOcean Spaces, which uses the s3 backend.

kurin/restic,kurin/restic,ar-jan/restic,restic/restic,ar-jan/restic,restic/restic,middelink/restic,middelink/restic