Add g_humansplayers (found by server) and g_needpass (cvar) to serverinfo (#4702)

code/client/client.h

@@ -296,6 +296,8 @@ typedef struct {
 	int			ping;
 	qboolean	visible;
 	int			punkbuster;
+	int			g_humanplayers;
+	int			g_needpass;
 } serverInfo_t;
 
 typedef struct {