Ruby 2.7: Fix RuboCop offense Performance/BindCall (#38134).

git-svn-id: https://svn.redmine.org/redmine/trunk@22056 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/wiki_controller.rb

@@ -390,7 +390,7 @@ class WikiController < ApplicationController
   def initial_page_content(page)
     helper = Redmine::WikiFormatting.helper_for(Setting.text_formatting)
     extend helper unless self.instance_of?(helper)
-    helper.instance_method(:initial_page_content).bind(self).call(page)
+    helper.instance_method(:initial_page_content).bind_call(self, page)
   end
 
   def load_pages_for_index