[rgmanager] Fix erroneous broadcast matching in ip.sh
[rgmanager] Fix erroneous broadcast matching in ip.sh

* This fixes an issue where rgmanager removes the
  wrong address because the IP matches the broadcast
  address of the interface.
* Red Hat Bugzilla #453000

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