Remove stray semicolon from cookie_verification_secret initialzer template

railties/lib/rails/generators/rails/app/templates/config/initializers/cookie_verification_secret.rb.tt

@@ -4,4 +4,4 @@
 # If you change this key, all old signed cookies will become invalid!
 # Make sure the secret is at least 30 characters and all random, 
 # no regular words or you'll be exposed to dictionary attacks.
-ActionController::Base.cookie_verifier_secret = '<%= app_secret %>';
+ActionController::Base.cookie_verifier_secret = '<%= app_secret %>'