Make sure that the default add-on for SLA computation is enabled by default

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@1386 a333f486-631f-4898-b8df-5754b55c2be0

modules/itop-sla-computation/model.itop-sla-computation.php

@@ -113,5 +113,5 @@ class SLAComputationAddOnAPI
 		return $oResult;
 	}
 }
-//SLAComputation::SelectModule('SLAComputationAddOnAPI');
+SLAComputation::SelectModule('SLAComputationAddOnAPI');
 ?>