Zabbix

.......... [DEV-3789] fixed warnings

* commit 'ef0133820137873303810f2566596d6f03952888':
  .......... [DEV-3789] removed unused variable assignment
  .......... [DEV-3789] fixed style issue
  .......... [DEV-3789] fixed type conversion warnings
  .......... [DEV-3789] fixed test
  .......... [DEV-3789] fixed handling of empty key value macro pair in HTTP test
  .......... [DEV-3789] removed unnecessary line
  .......... [DEV-3789] fixed style issues
  .......... [DEV-3789] fixed trailing newline warning
  .......... [DEV-3789] fixed integer overflow due to truncation in openssl
  .......... [DEV-3789] fixed integer overflow in housekeeper
  .......... [DEV-3789] added test for zbx_function_param_quote