Returns EVENT_NONE if poll in osync_queue_poll was interrupted so  it is called again by the queue gmain context. Also log poll error if other than interrupted.
Returns EVENT_NONE if poll in osync_queue_poll was interrupted so 
it is called again by the queue gmain context.
Also log poll error if other than interrupted.



git-svn-id: e31799a7ad59d6ea355ca047c69e0aee8a59fcd3@2931 53f5c7ee-bee3-0310-bbc5-ea0e15fffd5e

luizluca/opensync-luizluca,luizluca/opensync-luizluca