autotest/virt-test — pull request #789 by yangdongsheng (2013-08-27 12:54:06+00:00)
Title: libvirt-virsh: overwrite dict_set in Virsh class.

B/c we use dict_set in VirshPersistent, and we need to
update the closure_args at the same time, then overwrite
the dict_set method in Virsh class.

Signed-off-by: yangdongsheng