Moved closing out OutputStream inside the send_lock scope (https://issues.jboss.org/browse/JGRP-2350)
Moved closing out OutputStream inside the send_lock scope (https://issues.jboss.org/browse/JGRP-2350)

rhusar/JGroups,belaban/JGroups,pferraro/JGroups,rhusar/JGroups,pferraro/JGroups,pferraro/JGroups,rhusar/JGroups,belaban/JGroups,belaban/JGroups