Fixed inclusion of config.h for libkqueue

git-svn-id: http://opensource.mlba-team.de/svn/xdispatch/trunk@634 9e4c620c-c391-4b63-a7fb-4924991ea895
Fixed empty body warning during release builds

git-svn-id: http://opensource.mlba-team.de/svn/xdispatch/trunk@635 9e4c620c-c391-4b63-a7fb-4924991ea895