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/awesome_nested_set/lib/awesome_nested_set.rb

@@ -154,7 +154,7 @@ module CollectiveIdea #:nodoc:
         def each_root_valid?(roots_to_validate)
           left = right = 0
           roots_to_validate.all? do |root|
-            returning(root.left > left && root.right > right) do
+            (root.left > left && root.right > right).tap do
               left = root.left
               right = root.right
             end

vendor/plugins/engines/generators/plugin_migration/plugin_migration_generator.rb

@@ -76,7 +76,7 @@ class PluginMigrationGenerator < Rails::Generator::Base
     # plugin names involved is shorter than 230 characters that one will be
     # used. Otherwise a shorter name will be returned.
     def build_migration_name
-      returning descriptive_migration_name do |name|        
+      descriptive_migration_name.tap do |name|        
         name.replace short_migration_name if name.length > MAX_FILENAME_LENGTH
       end
     end

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?