Patch from Tim Angus, to fix a longstanding bug

in the server, wherein running the server for
more than 24 hours would cause the game to
exhibit weirdness as described here:
http://forums.wireheadstudios.org/index.php?act=ST&f=11&t=2749

That page would also indicate that more work
needs to be done if the map isn't going to change
for more than 24 hours.

code/server/server.h

@@ -78,6 +78,7 @@ typedef struct {
 	int				gameClientSize;		// will be > sizeof(playerState_t) due to game private data
 
 	int				restartTime;
+	int				time;
 } server_t;