Zabbix

....I..PS. [ZBX-20943] fixed long hostgroup names in LLD hostgroup prototypes fails 2nd and consequent runs

* commit '4778f9577199f59be8b100fd83aeb39dbe67d9d0':
  .......... [ZBX-20943] added changelog
  ....I..... [ZBX-20943] fixed DB version error
  ....I..... [ZBX-20943] removed useless code
  ....I..... [ZBX-20943] added macro definitions to upgrade patch
  ....I..... [ZBX-20943] fixed null value error in upgrade script
  ....I..... [ZBX-20943] fixed existing discovered groups with long names
  ....I..... [ZBX-20943] removed unnecessary third parameter for DBmodify_field_type() function call
  .......PS. [ZBX-20943] fixed long hostgroup names in LLD hostgroup prototypes fails 2nd and consequent runs