[PATCH] Fix off-by-one in internal-fn.c

[Yury Gribov]

On 08/12/2014 11:20 AM, Jakub Jelinek wrote:
 >> This is a fix for off-by-one bug that I've recently introduced in 
r213806.
 >> Bootstrapped, regtested and Asan-boostrapped on x64.
 >>
 >> Ok to commit?
 >
 > Sure.

Done, r213848.

-Y