netinet/in.h is required for struct sockaddr_in

main.c:739:24: error: variable has incomplete type 'struct sockaddr_in'
    struct sockaddr_in serv_addr;
Do not define bswap32 on FreebSD (and OpenBSD I guess). Then, netinet/tcp.h
requires sys/types.h
Merge pull request #263 from stillru/master

Update for Debian pakage creation
Merge pull request #264 from gahr/netinet-in

netinet/in.h is required for struct sockaddr_in
Fixed typo
Merge pull request #266 from gahr/freebsd-fixes

FreeBSD-specific fixes
Fixed bug in FLOOD_WAIT
Fixed error in prev commit