rubocop: fix various style issues.

app/helpers/wiki_pages_helper.rb

@@ -11,14 +11,14 @@ module WikiPagesHelper
       html << "<h2>Posts (#{full_link})</h2>"
       html << wiki_page.post_set.presenter.post_previews_html(self)
     end
-    
+
     html << "</div>"
 
     html.html_safe
   end
 
   def wiki_page_other_names_list(wiki_page)
-    names_html = wiki_page.other_names.map{|name| link_to(name, "http://www.pixiv.net/search.php?s_mode=s_tag_full&word=#{u(name)}", :class => "wiki-other-name")}
+    names_html = wiki_page.other_names.map {|name| link_to(name, "http://www.pixiv.net/search.php?s_mode=s_tag_full&word=#{u(name)}", :class => "wiki-other-name")}
     names_html.join(" ").html_safe
   end
 end