Store update disable flag in the game table to make it visible in

xdump:
(gamestr): New member game_upd_disable.
(game_ca): Update accordingly.
(game_ctrl_update): New.
(disa, enab): Use it.
(updates_disabled): Rewrite and move to game.c
(disablefil): Remove.

src/lib/common/game.c

@@ -50,6 +50,27 @@
 #include "prototypes.h"
 #include "server.h"
 
+/*
+ * Disable updates 
+ */
+void
+game_ctrl_update(int enable)
+{
+    struct gamestr *game = getgamep();
+
+    game->game_upd_disable = !enable;
+    putgame();
+}
+
+/*
+ * Are updates disabled?
+ */
+int
+updates_disabled(void)
+{
+    return getgamep()->game_upd_disable;
+}
+
 /*
  * Record an update in the game file, the current time is NOW.
  */