B #4786: oneuser login crashes in an ugly way if oned is not running

src/cli/one_helper/oneuser_helper.rb

@@ -443,7 +443,7 @@ class OneUserHelper < OpenNebulaHelper::OneHelper
         rc   = user.info
         if OpenNebula.is_error?(rc)
             puts rc.message
-            exit_with_code 1, rc.message
+            exit 1
         end
         user
     end

src/cli/oneuser

@@ -40,7 +40,7 @@ cmd=CommandParser::CmdParser.new(ARGV) do
     helper = OneUserHelper.new
 
     before_proc do
-        helper.set_client(options) if ![:login, :key].include?(@comm_name)
+        helper.set_client(options) if ![:key].include?(@comm_name)
     end
 
     ########################################################################