kern/165970: [libc] [patch] strtonum() optimization

[eadler at FreeBSD.org]

Synopsis: [libc] [patch] strtonum() optimization

Responsible-Changed-From-To: freebsd-bugs->eadler
Responsible-Changed-By: eadler
Responsible-Changed-When: Wed Mar 14 03:18:10 UTC 2012
Responsible-Changed-Why: 
This PR looking interesting. I have to do some benchmarking to ensure
this code is faster && some testing to ensure it is still correct.  I
may not get to this soon, but I'll try to work on it

http://www.freebsd.org/cgi/query-pr.cgi?pr=165970