Without this patch, free() is called on a random memory location
(i.e. whatever is on the stack), which can result in slurmstepd
dying and a completed job not being purged in a timely fashion.

Fix race condition in authentication credential creation that could corrupt
memory. (NOTE: This race condition has existed since 2003 and would be
exceedingly rare.)

symbols.

This permits a single gres.conf file to be used for a
heterogeneous cluster.

Conflicts:
	src/squeue/print.c
	src/sview/job_info.c

This is needed for job arrays with discontiguous task ID values
(e.g. "123_[1,3,5,...99999]")