Allow unpausing upstream savegames using PM_COMMAND_DURING_PAUSE

src/openttd.h

@@ -75,6 +75,7 @@ enum PauseMode : byte {
 	PM_PAUSED_ACTIVE_CLIENTS = 1 << 4, ///< A game paused for 'min_active_clients'
 	PM_PAUSED_GAME_SCRIPT    = 1 << 5, ///< A game paused by a game script
 	PM_PAUSED_LINK_GRAPH     = 1 << 6, ///< A game paused due to the link graph schedule lagging
+	PM_COMMAND_DURING_PAUSE  = 1 << 7, ///< A game paused, and a command executed during the pause; resets on autosave
 
 	/** Pause mode bits when paused for network reasons. */
 	PMB_PAUSED_NETWORK = PM_PAUSED_ACTIVE_CLIENTS | PM_PAUSED_JOIN,