Merge branch 'PR/PATH-consolidate' of https://github.com/karelzak/util-linux-work

* 'PR/PATH-consolidate' of https://github.com/karelzak/util-linux-work:
  setpriv: follow /etc/login.defs for PATH
  su: use logindefs_setenv_path()
  login: use logindefs_setenv_path()
  logindefs: Add function to set PATH

diff --cc login-utils/login.c
Simple merge

diff --cc login-utils/su-common.c
Simple merge

diff --cc sys-utils/setpriv.c
Simple merge