liblib: Added DLLIST2_INSERT_AFTER_FULL() For inserting a new element in a doubly-linked list after an existing element.
liblib: Added DLLIST2_INSERT_AFTER_FULL()
For inserting a new element in a doubly-linked list after an existing
element.

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