ut2k4server: CharSet fix re-added as is required
ut2k4server: CharSet fix re-added as is required

Re added previously removed CharSet fix that stops odd characters
showing on third party server browsers as this is still a problem.
Adding the fix will stop the issue

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