* xdisp.c (init_iterator): Use XINT, not XFASTINT; it might be < 0.

src/ChangeLog

 2011-06-17  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* xdisp.c (init_iterator): Use XINT, not XFASTINT; it might be < 0.
+
 	* composite.c: Don't truncate sizes to 'int'.
 	(composition_gstring_p, composition_reseat_it)
 	(composition_adjust_point): Use EMACS_INT, not int.

src/xdisp.c

@@ -2385,7 +2385,7 @@ init_iterator (struct it *it, struct window *w,
      is invisible.  >0 means lines indented more than this value are
      invisible.  */
   it->selective = (INTEGERP (BVAR (current_buffer, selective_display))
-		   ? XFASTINT (BVAR (current_buffer, selective_display))
+		   ? XINT (BVAR (current_buffer, selective_display))
 		   : (!NILP (BVAR (current_buffer, selective_display))
 		      ? -1 : 0));
   it->selective_display_ellipsis_p