UT2K4server: Fixed CD key not working
UT2K4server: Fixed CD key not working

CD key was not inserting in to the cdkey file. Fixed this

dgibbs64/linuxgsm,Sodierlow/linuxgsm,aikidoka/linuxgsm,dgibbs64/linuxgsm,zunnu/linuxgsm,GameServerManagers/LinuxGSM,Maxximou5/linuxgameservers,aikidoka/linuxgsm,BogusCurry/linuxgsm,zunnu/linuxgsm,SingingTree/linuxgsm,BogusCurry/linuxgsm,GameServerManagers/LinuxGSM,kyroskoh/linuxgsm,kyroskoh/linuxgsm,SingingTree/linuxgsm,Maxximou5/linuxgameservers,Sodierlow/linuxgsm