Otherwise log facility may still try to write to stderr which is either
a closed descriptor, or some other open file (like a socket)

ESLURMD_SET_UID_OR_GID_ERROR.

files from pam_ses.h.

added jobacct for aix and removed lots of warnings when compiling on aix.  Also added patch from HP to make backwards compat.       

and moved chdir so that it was done once, instead of every time
a task was forked.