Fix rebasing mistake in nodeGather.c

Fix rebasing mistake in nodeGather.c

The patches committed as 6e71dd7ce9766582da453f493bc371d64977282f
and 3a1f8611f2582df0a16bcd35caed2e1526387643 were developed in
parallel but dependent on each other in a way that I failed to
notice.

This patch to fix the problem was prepared by Amit Kapila.