N°1424 : Sharing base compatibility fix

SVN:trunk[5751]

core/ormlinkset.class.inc.php

@@ -74,6 +74,14 @@ class ormLinkSet implements iDBObjectSetIterator, Iterator, SeekableIterator
 	 */
 	protected $iCursor = 0;
 
+	/**
+	 * __toString magical function overload.
+	 */
+	public function __toString()
+	{
+		return '';
+	}
+
 	/**
 	 * ormLinkSet constructor.
 	 * @param $sHostClass