fmt_fp.c: add type cast to remove a warning.
@@ -103,7 +103,7 @@ mrb_format_float(mrb_float f, char *buf, size_t buf_size, char fmt, int prec, ch
} else if (sign) {
*s++ = sign;
}
- buf_remaining -= (s - buf); // Adjust for sign
+ buf_remaining -= (int)(s - buf); // Adjust for sign
{
char uc = fmt & 0x20;
