Fix wrong chacater: \ -> /

Author: yasulab

app/views/layouts/application.html.haml

@@ -5,7 +5,7 @@
     %meta{:charset => "utf-8"}/
     %meta{:content => "IE=edge", "http-equiv" => "X-UA-Compatible"}/
     %meta{:content => "width=device-width, initial-scale=1,\n\t\t minimum-scale=1, maximum-scale=1, user-scalable=no", :name => "viewport"}/
-    %meta{:content => "rfZAU6VfAqDrPGPHca_W7UZQqHrczs4pH_CiLw9M_zY", :name => "google-site-verification"}\
+    %meta{:content => "rfZAU6VfAqDrPGPHca_W7UZQqHrczs4pH_CiLw9M_zY", :name => "google-site-verification"}/
 
     %title= full_title(yield(:title))
     = stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track' => true