After 'errno' management was standardized, a couple of
fields were added to the <pids> api. Only 1 (PIDS_EXE)
involved dynamic memory and, unfortunately, it did not
conform to that expected normalized ENOMEM convention.
Reference(s):
. Jun 2018, added 'exe' to library
commit ad4269f118
. Nov 2017, standardized 'errno' management
commit 06be33b43e
Signed-off-by: Jim Warner <james.warner@comcast.net>
e76c773561