In nslcd, log EPIPE only on debug level
In nslcd, log EPIPE only on debug level

See:
https://bugzilla.redhat.com/show_bug.cgi?id=1003011

arthurdejong/nss-pam-ldapd,arthurdejong/nss-pam-ldapd,arthurdejong/nss-pam-ldapd