Add C Interface for Battle::GetCurrentTurn.

CInterface/Battling/Battle.cpp

@@ -20,6 +20,7 @@ export uint8_t CreatureLib_Battle_TrySetChoice(bool& out, Battle* p, BaseTurnCho
 }
 export bool CreatureLib_Battle_CanFlee(const Battle* p) { return p->CanFlee(); }
 export uint8_t CreatureLib_Battle_CheckChoicesSetAndRun(Battle* p) { Try(p->CheckChoicesSetAndRun();) }
+export uint32_t CreatureLib_Battle_GetCurrentTurn(Battle* p) { return p->GetCurrentTurn(); }
 
 export ChoiceQueue* CreatureLib_Battle_GetCurrentTurnQueue(const Battle* p) {
     return p->GetCurrentTurnQueue().GetRaw();