(URGENT) Crash in relaton-render

[ronaldtse]

From metanorma/rfc-camelot-holy-grenade#17

wrong number of arguments (given 3, expected 2)
metanorma-ietf-3.3.3/lib/relaton/render/fields.rb:19:in `dateformat'
relaton-render-0.7.5/lib/relaton/render/fields/fields.rb:58:in `block in date_fields_format'
relaton-render-0.7.5/lib/relaton/render/fields/fields.rb:57:in `each'
relaton-render-0.7.5/lib/relaton/render/fields/fields.rb:57:in `date_fields_format'
relaton-render-0.7.5/lib/relaton/render/fields/fields.rb:13:in `compound_fields_format'
metanorma-ietf-3.3.3/lib/relaton/render/fields.rb:25:in `compound_fields_format'
relaton-render-0.7.5/lib/relaton/render/general/render.rb:164:in `parse'

[opoudjis]

Already fixed in 82732dc