[saco] Implement/match CGame::EnableStuntBonus(...)

saco/game/game.cpp

@@ -949,4 +949,13 @@ void CGame::EnableZoneNames(BYTE byteEnable)
 	ScriptCommand(&enable_zone_names, byteEnable);
 }
 
-//-----------------------------------------------------------
+//-----------------------------------------------------------
+
+void CGame::EnableStuntBonus(bool bEnable)
+{
+	UnFuck(0xA4A474,4);
+	*(DWORD*)0xA4A474 = (int)bEnable;
+}
+
+//-----------------------------------------------------------
+

saco/game/game.h

@@ -69,6 +69,7 @@ public:
 	void	SetWantedLevel(BYTE byteLevel);
 	void	SetGameTextCount(WORD wCount);
 	void	DrawGangZone(float* fPos, DWORD dwColor);
+	void    EnableStuntBonus(bool bEnable);
 
 	void	DisableRaceCheckpoint();