core: Live Merge command hangs

Commit b7c8e1852180a75ef3a007bfe83527030cddcfc1, a backport to 3.5
from master, is missing some code that allows the live merge command
to converge.

Change-Id: I1bacb567500c941cb5c8c983b166e2be837e74ac
Bug-Url: https://bugzilla.redhat.com/1127464
Signed-off-by: Greg Padgett <gpadgett@redhat.com>