Do not dereference NULL stupidly in trap() when checking if a process needs its stack to grow (sync with other m68k ports, which are safe).
Do not dereference NULL stupidly in trap() when checking if a process needs
its stack to grow (sync with other m68k ports, which are safe).

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars