maildir: p_strdup() GUID and UIDL_BACKEND to make sure they don't change unexpectedly.
maildir: p_strdup() GUID and UIDL_BACKEND to make sure they don't change unexpectedly.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot