suppress early syslog return when log socket cannot be opened
suppress early syslog return when log socket cannot be opened

this behavior is no longer valid in general, and was never necessary.
if the LOG_PERROR option is set, output to stderr could still succeed.
also, when the LOG_CONS option is added, it will need syslog to
proceed even if opening the log socket fails.

chardi/musl,chardi/musl,chardi/musl