Include stdio.h to appease testme.sh

MasterDuke17 · MasterDuke17 · commit bc24bbea05ae · 2019-08-23T15:02:29.000-04:00
diff --git a/bn_mp_todecimal_fast.c b/bn_mp_todecimal_fast.c
@@ -1,5 +1,6 @@
 #include "tommath_private.h"
 #include <string.h>
+#include <stdio.h>
 #ifdef BN_MP_TODECIMAL_FAST_C
 /* LibTomMath, multiple-precision integer library -- Tom St Denis */
 /* SPDX-License-Identifier: Unlicense */
