[-] core : minor fix in Db->escape function to make it compatible to the phpdoc (2nd parameter html_ok is now optional)

git-svn-id: http://dev.prestashop.com/svn/v1/branches/1.5.x@12424 b9a71923-0436-4b27-9f14-aed3839534dd

classes/db/Db.php

@@ -558,7 +558,7 @@ abstract class DbCore
 	 * @param boolean $html_ok Does data contain HTML code ? (optional)
 	 * @return string Sanitized data
 	 */
-	public function escape($string, $html_ok)
+	public function escape($string, $html_ok = false)
 	{
 		if (_PS_MAGIC_QUOTES_GPC_)
 			$string = stripslashes($string);