fix the /environments/:id/nodes controller (typo)

Author: sdelano

chef-server-api/app/controllers/environments.rb

@@ -97,7 +97,7 @@ def list_cookbooks
   # GET /environments/:environment_id/nodes
   def list_nodes
     node_list = Chef::Node.cdb_list_by_environment(params[:environment_id])
-    display(node_list.inject({}) {|r,n| r[n] = absolute_url(:node, n); r}
+    display(node_list.inject({}) {|r,n| r[n] = absolute_url(:node, n); r})
   end
 
   private