Fix format conversion in bidi.c.

 src/bidi.c (bidi_dump_cached_states): Fix format of displaying
 bidi_cache_idx.

src/ChangeLog

 2011-07-14  Eli Zaretskii  <eliz@gnu.org>
 
+	* bidi.c (bidi_dump_cached_states): Fix format of displaying
+	bidi_cache_idx.
+
 	Support bidi reordering of display and overlay strings.
 	* xdisp.c (compute_display_string_pos)
 	(compute_display_string_end): Accept additional argument STRING.

src/bidi.c

@@ -2308,7 +2308,7 @@ bidi_dump_cached_states (void)
       fprintf (stderr, "The cache is empty.\n");
       return;
     }
-  fprintf (stderr, "Total of %d state%s in cache:\n",
+  fprintf (stderr, "Total of  %"pD"d state%s in cache:\n",
 	   bidi_cache_idx, bidi_cache_idx == 1 ? "" : "s");
 
   for (i = bidi_cache[bidi_cache_idx - 1].charpos; i > 0; i /= 10)