Use Object#tap instead of #returning (#6887).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4406 e93f8b46-1217-0410-a6f0-8f06a7374b81

vendor/plugins/gravatar/lib/gravatar.rb

@@ -71,7 +71,7 @@ module GravatarHelper
       email_hash = Digest::MD5.hexdigest(email)
       options = DEFAULT_OPTIONS.merge(options)
       options[:default] = CGI::escape(options[:default]) unless options[:default].nil?
-      returning gravatar_api_url(email_hash, options.delete(:ssl)) do |url|
+      gravatar_api_url(email_hash, options.delete(:ssl)).tap do |url|
         opts = []
         [:rating, :size, :default].each do |opt|
           unless options[opt].nil?