Don't use gmp_vfprintf.

ChangeLog

 2014-06-25  Niels Möller  <nisse@lysator.liu.se>
 
+	* testsuite/testutils.c (die): Use plain vfprintf, not
+	gmp_vfprintf.
+
 	* der-iterator.c: Deleted HAVE_LIBGMP conditionals.
 
 2014-06-07  Niels Möller  <nisse@lysator.liu.se>

testsuite/testutils.c

@@ -37,11 +37,7 @@ die(const char *format, ...)
 {
   va_list args;
   va_start(args, format);
-#if WITH_HOGWEED
-  gmp_vfprintf(stderr, format, args);
-#else
   vfprintf(stderr, format, args);
-#endif
   va_end(args);
 
   abort ();