From f5e097021ce95cf4398f89c4f4268efbc5717b89 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Thu, 7 Dec 2017 10:31:14 +0200
Subject: [PATCH] py/mpprint: Fix "%x" vs "%X" regression introduced in
 previous commit.

---
 py/mpprint.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/py/mpprint.c b/py/mpprint.c
index d6d9cf963c..c2e65301c9 100644
--- a/py/mpprint.c
+++ b/py/mpprint.c
@@ -511,7 +511,7 @@ int mp_vprintf(const mp_print_t *print, const char *fmt, va_list args) {
                 break;
             case 'x':
             case 'X': {
-                char fmt_c = 'x' - *fmt + 'A';
+                char fmt_c = *fmt - 'X' + 'A';
                 mp_uint_t val;
                 if (long_arg) {
                     val = va_arg(args, unsigned long int);