- Added SV_Shutdown to Linux signal handler to ensure that clients don't hang when server gets killed, as suggested by Tony J. White

- Added newline to final message sent to clients.
- Added check for whether client is running at all before CL_Shutdown runs through.

code/unix/linux_signals.c

@@ -46,6 +46,7 @@ static void signal_handler(int sig) // bk010104 - replace this... (NOTE TTimo hu
   // rcg08312005 Agreed: changed to CL_Shutdown...  --ryan.
   CL_Shutdown();
 #endif
+  SV_Shutdown("Signal caught");
   Sys_Exit(0); // bk010104 - abstraction NOTE TTimo send a 0 to avoid DOUBLE SIGNAL FAULT
 }