tun2socks: fix problematic pointer casting
tun2socks: fix problematic pointer casting

ambrop72/badvpn-googlecode-export,atavism/badvpn,fffw/badvpn,bakhet/badvpn,fragmede/badvpn,atavism/badvpn,henryhwang/badvpn,nuwaf/badvpn,fffw/badvpn,arevindh/badvpn,fragmede/badvpn,nuwaf/badvpn,henryhwang/badvpn,fffw/badvpn,Rastii/badvpn,Rastii/badvpn,fragmede/badvpn,kaliii/badvpn,ambrop72/badvpn-googlecode-export,nuwaf/badvpn,adelshokhy112/badvpn,walterDurin/badvpn,Qnex93/badvpn,Rastii/badvpn,kaliii/badvpn,Qnex93/badvpn,arevindh/badvpn,fragmede/badvpn,Rastii/badvpn,henryhwang/badvpn,adelshokhy112/badvpn,bawaaaaah/badvpn,bawaaaaah/badvpn,Qnex93/badvpn,ambrop72/badvpn-googlecode-export,fffw/badvpn,bakhet/badvpn,walterDurin/badvpn,bawaaaaah/badvpn,Qnex93/badvpn,bakhet/badvpn,adelshokhy112/badvpn,fragmede/badvpn,arevindh/badvpn,ambrop72/badvpn-googlecode-export,henryhwang/badvpn,kaliii/badvpn,nuwaf/badvpn,arevindh/badvpn,walterDurin/badvpn,walterDurin/badvpn,kaliii/badvpn,Qnex93/badvpn,atavism/badvpn,arevindh/badvpn,fffw/badvpn,atavism/badvpn,kaliii/badvpn,atavism/badvpn,henryhwang/badvpn,adelshokhy112/badvpn,walterDurin/badvpn,Rastii/badvpn,bakhet/badvpn,ambrop72/badvpn-googlecode-export,nuwaf/badvpn,bawaaaaah/badvpn,bawaaaaah/badvpn,bakhet/badvpn,adelshokhy112/badvpn