updating smooth rasterizer to avoid conflicts later

src/smooth/ftgrays.h

@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    FreeType smooth renderer declaration                                 */
 /*                                                                         */
-/*  Copyright 1996-2000 by                                                 */
+/*  Copyright 1996-2001 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */