fix build failure with TORRENT_DHT_VERBOSE_LOGGING
fix build failure with TORRENT_DHT_VERBOSE_LOGGING

git-svn-id: a9fe57c6430a6997a38eed96ede4af2f77d6b776@2614 a83610d8-ad2a-0410-a6ab-fc0612d85776

chongyc/libtorrent,chongyc/libtorrent,chongyc/libtorrent,chongyc/libtorrent