compat sync (#226)

compat sync (#226)

* compat: sync pidfile.c with netbsd v1.16

- fix typos in word "otherwise".
- s/sucess/success/ in comment.

* compat: sync rb.c with netbsd v1.16

- fix typos in word "successfully", mainly s/succesfully/successfully/.
- toolify

* compat: sync strlcpy.c with openbsd v1.16

- I am retiring my old email address;  replace it with my OpenBSD one.

* compat: sync arc4random_uniform.c with openbsd v1.3