fixed issue where lsd, natpmp and upnp would only be rebound if dht was enabled
fixed issue where lsd, natpmp and upnp would only be rebound if dht was enabled

git-svn-id: 6ed3528c1be4534134272ad6dd050eeaa1f628d3@1096 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda

svn2github/libtorrent-trunk,svn2github/libtorrent-trunk,svn2github/libtorrent-trunk,svn2github/libtorrent-trunk