GetTargetAttDef is made public (it's used for auto documenting)

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@2441 a333f486-631f-4898-b8df-5754b55c2be0

core/attributedef.class.inc.php

@@ -3901,7 +3901,7 @@ class AttributeSubItem extends AttributeDefinition
 	/**
 	 * Helper : get the attribute definition to which the execution will be forwarded	
 	 */	
-	protected function GetTargetAttDef()
+	public function GetTargetAttDef()
 	{
 		$sClass = $this->GetHostClass();
 		$oParentAttDef = MetaModel::GetAttributeDef($sClass, $this->Get('target_attcode'));