[ulog] fix HEX log size calculate error.
@@ -823,7 +823,7 @@ void ulog_hexdump(const char *tag, rt_size_t width, const rt_uint8_t *buf, rt_si
for (i = 0; i < size; i += width, buf += width)
{
- if (i + size < width)
+ if (i + width > size)
len = size - i;
else
len = width;
