[ticket/12910] Set get_name for Google+ fields

PHPBB3-12910
Merge pull request #2795 from Dragooon/ticket/12910

[ticket/12910] Set get_name for Google+ fields

* Dragooon/ticket/12910:
  [ticket/12910] Set get_name for Google+ fields
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/12910] Set get_name for Google+ fields