Removed str-sanitize.o from unused_objects list because we do use it nowadays.
Removed str-sanitize.o from unused_objects list because we do use it
nowadays.

damoxc/dovecot,Distrotech/dovecot,damoxc/dovecot,damoxc/dovecot,damoxc/dovecot,Distrotech/dovecot,Distrotech/dovecot,damoxc/dovecot,Distrotech/dovecot,Distrotech/dovecot