cman: Don't crash cman_tool nodes -a
cman: Don't crash cman_tool nodes -a

cman was returning a success status but no data if the node id
passed to cman_get_node_addrs isn't currently in the cluster.

Signed-off-by: Nate Straz <1f8eaf09fe1ffe2a66f3ced5cfb7382322a10286@redhat.com>
Signed-off-by: Christine Caulfield <992cedbe1eac7dbaff482fcb880a50b57e6b8062@redhat.com>

asp24/resource-agents,stevenraspudic/resource-agents,stevenraspudic/resource-agents,asp24/resource-agents,asp24/resource-agents,stevenraspudic/resource-agents