Fixed missing geocoder_options argument

Signed-off-by: Ko Nagase <[email protected]>

Author: sanak

lib/redmine_gtt/hooks/view_layouts_base_html_head_hook.rb

@@ -17,7 +17,7 @@ def view_layouts_base_body_bottom(context={})
         geocoder_options = Setting.plugin_redmine_gtt['default_geocoder_options']
         if geocoder_options.present?
           begin
-            geocoder = JSON.parse()
+            geocoder = JSON.parse(geocoder_options)
           rescue JSON::ParserError => exception
             Rails.logger.warn "Failed to parse setting's 'geocoder_options' as JSON: #{exception}\nUse default '{}' instead."
           end