Get rid of format warning in bug-vfprintf-nargs.c.

ChangeLog

@@ -1,3 +1,9 @@
+2014-12-17  Stefan Liebler  <stli@linux.vnet.ibm.com>
+
+	* stdio-common/bug-vfprintf-nargs.c (do_test):
+	Cast value to intptr_t to avoid format warning
+	for usage with PRIdPTR printing macro.
+
 2014-12-17  Stefan Liebler  <stli@linux.vnet.ibm.com>
 
 	* libio/tst-widetext.c (do_test):

stdio-common/bug-vfprintf-nargs.c

@@ -65,7 +65,8 @@ do_test (void)
      test this on 32-bit systems.  */
   if (sizeof (long int) == 4)
     {
-      sprintf (buf, "%%1$d %%%" PRIdPTR "$d", UINT32_MAX / sizeof (int));
+      sprintf (buf, "%%1$d %%%" PRIdPTR "$d",
+	       (intptr_t) (UINT32_MAX / sizeof (int)));
       if (format_failed (buf, "1 %$d") != 0)
         rc = 1;
     }