development: Fix compilation warning for select based sleep
development: Fix compilation warning for select based sleep

atodorov-storpool/one,baby-gnu/one,atodorov-storpool/one,OpenNebula/one,OpenNebula/one,baby-gnu/one,baby-gnu/one,OpenNebula/one,baby-gnu/one,baby-gnu/one,atodorov-storpool/one,OpenNebula/one,atodorov-storpool/one,atodorov-storpool/one,OpenNebula/one,OpenNebula/one,baby-gnu/one,atodorov-storpool/one,atodorov-storpool/one,atodorov-storpool/one,OpenNebula/one,atodorov-storpool/one,OpenNebula/one,OpenNebula/one,baby-gnu/one,baby-gnu/one