Syntax fix of sorting groups/users

app/controllers/dashboard_controller.rb

@@ -5,7 +5,7 @@ class DashboardController < ApplicationController
   before_filter :event_filter, only: :show
   def show
-    @groups = current_user.authorized_groups.sort_by { |x| x.human_name }
+    @groups = current_user.authorized_groups.sort_by(&:human_name)
     @has_authorized_projects = @projects.count > 0
     @teams = current_user.authorized_teams
     @projects_count = @projects.count

app/helpers/namespaces_helper.rb

@@ -10,8 +10,8 @@ module NamespacesHelper
     global_opts = ["Global", [['/', Namespace.global_id]] ]
-    group_opts = ["Groups", groups.sort_by {|g| g.human_name}.map {|g| [g.human_name, g.id]} ]
-    users_opts = [ "Users", users.sort_by {|u| u.human_name}.map {|u| [u.human_name, u.id]} ]
+    group_opts = ["Groups", groups.sort_by(&:human_name).map {|g| [g.human_name, g.id]} ]
+    users_opts = [ "Users", users.sort_by(&:human_name).map {|u| [u.human_name, u.id]} ]
     options = []
     options << global_opts if current_user.admin