Fix incorrect closing comment on Search3 function

Changed closing comment from '//Search' to '//Search3' to match
the actual function name, preventing confusion about which function
is ending.

classes/producto.class.php

@@ -659,7 +659,7 @@ class Producto extends Main
 
 		return $data;
 
-	}//Search
+	}//Search3
 
 	function Search2(){