Instead of iterating through the entire epoll events array just look at the...

Instead of iterating through the entire epoll events array just look at the ones that will actually contain data. (props to eliel on IRC for this)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@91328 65c4cc65-6c06-0410-ace0-fbb531ad65f3