svn commit: r335695 - stable/11

[Eitan Adler]

Author: eadler
Date: Wed Jun 27 04:58:39 2018
New Revision: 335695
URL: https://svnweb.freebsd.org/changeset/base/335695

Log:
  MFC r302776, r302799:
  
  mail(1): Bring some fixes from other BSDs.
  
  - Use varargs properly
  - Use pid_t
  - Better handling of error conditions on forked jobs.
  - Some prototype and warning cleanups.
  
  Fix missing forked job changes from r302776 in wait_child().

Modified:
Directory Properties:
  stable/11/   (props changed)