fix strict-aliasing warnings in ec_manuf.c
union addr element with different data types
fix strict-aliasing warning in find_ip.c
fix strict-aliasing warnings in nbns_spoof.c
fix strict-aliasing warnings in ec_checksum.c
fix strict-aliasing warnings in ec_dhcp_spoofing.c
fix strict-aliasing warnings in ec_ip.c
fix strict-aliasing warnings in ec_send.c
fix strict-aliasing warnings in ec_scan.c
fix strict-aliasing warnings in ec_sslwrap.c
fix strict-aliasing warnings in ec_inet.c
relete obsolete macro ip_addr_to_int32
fix strict-aliasing warnings in ec_arp_poisoning.c
fix implicit-function-declaration warning in ec_curses.c