Snippets for syncthingtray 2.1.8 from FreeBSD 151arm64

Sourced from https://pkg-status.freebsd.org/ampere5/data/latest-per-pkg/syncthingtray/2.1.8/151arm64-default.log.

• /wrkdirs/usr/ports/deskutils/syncthingtray/work/syncthingtray/syncthingconnector/syncthingprocess.cpp:556:37: warning: 'stream_timeout' is deprecated [-Wdeprecated-declarations]
    556 |                 || ec == std::errc::stream_timeout
        |                                     ^