Adding sentence to locales

app/controllers/users_controller.rb

@@ -151,7 +151,7 @@ class UsersController < ApplicationController
     if Gitlab::CurrentSettings.signup_enabled? || current_user
       render json: { exists: !!Namespace.find_by_path_or_name(params[:username]) }
     else
-      render json: { error: "You must be authenticated to access this path" }, status: :unauthorized
+      render json: { error: _('You must be authenticated to access this path.') }, status: :unauthorized
     end
   end
 

locale/gitlab.pot

@@ -40917,6 +40917,9 @@ msgstr ""
 msgid "You may close the milestone now."
 msgstr ""
 
+msgid "You must be authenticated to access this path."
+msgstr ""
+
 msgid "You must be logged in to search across all of GitLab"
 msgstr ""
 

spec/requests/users_controller_spec.rb

@@ -665,7 +665,7 @@ RSpec.describe UsersController do
         stub_application_setting(signup_enabled: false)
         get user_exists_url 'foo'
 
-        expected_json = { error: "You must be authenticated to access this path" }.to_json
+        expected_json = { error: "You must be authenticated to access this path." }.to_json
         expect(response).to have_gitlab_http_status(:unauthorized)
         expect(response.body).to eq(expected_json)
       end