sync fmt_scaled.c with OpenBSD

revision 1.13
date: 2017/03/11 23:37:23;  author: djm;  state: Exp;  lines: +14 -1;  commitid: jnFKyHkB3CEiEZ2R;
fix signed integer overflow in scan_scaled. Found by Nicolas Iooss
using AFL against ssh_config. ok deraadt@ millert@
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revision 1.12
date: 2013/11/29 19:00:51;  author: deraadt;  state: Exp;  lines: +6 -5;
fairly simple unsigned char casts for ctype
ok krw
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revision 1.11
date: 2012/11/12 14:07:20;  author: halex;  state: Exp;  lines: +4 -2;
make scan_scaled set errno to EINVAL rather than ERANGE if it encounters
an invalid multiplier, like the man page says it should

"looks sensible" deraadt@, ok ian@
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revision 1.10
date: 2009/06/20 15:00:04;  author: martynas;  state: Exp;  lines: +4 -4;
use llabs instead of the home-grown version;  and some comment changes
ok ian@, millert@
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0 files changed, 0 insertions, 0 deletions