[Bug middle-end/123222] Typo in __builtin_sub_overflow_p docs

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123222

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|---                         |16.0

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Fixed.