Remove a warning at the end of the setup...

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@4823 a333f486-631f-4898-b8df-5754b55c2be0

setup/wizardsteps.class.inc.php

@@ -1807,6 +1807,8 @@ EOF
 				}
 			}
 			$aSteps[] = $aStepDefinition;
+			
+			$this->oWizard->SetParameter('additional_extensions_modules', json_encode(array()));
 		}
 		
 		if (array_key_exists($index, $aSteps))