lftp security update

3.7.11-4.el55.3 - Related: CVE-2010-2251 - document change of xfer:clobber default value in manpage, respect xfer:clobber on with xfer:auto-rename on old behaviour 3.7.11-4.el55.2 - Related: CVE-2010-2251 - describe new option xfer:auto-rename which could restore old behaviour in manpage...