fix pthread handling in Makefile
fix pthread handling in Makefile

there was a mixed use of -lpthread and -pthread, which is wrong

git-svn-id: b226def69dd5b79c3627300973db8a44d24a8bf3@2059 c54fac2e-1815-407e-9b96-088d06743913

cskiraly/Streamers,davidek/peerstreamer-Streamers,cskiraly/Streamers,davidek/peerstreamer-Streamers