Fix battle_calling flag mistake

Author: Zegeri

src/game_interpreter.cpp

@@ -197,7 +197,7 @@ void Game_Interpreter::Update() {
 			break;
 		}
 
-		if (Game_Temp::battle_calling ||
+		if ((Game_Temp::battle_calling && !Game_Temp::battle_running) ||
 			Game_Temp::shop_calling ||
 //			Game_Temp::inn_calling ||
 			Game_Temp::name_calling ||

src/scene_map.cpp

@@ -165,7 +165,6 @@ void Scene_Map::Update() {
 
 		if (Game_Temp::battle_calling) {
 			CallBattle();
-			Game_Temp::battle_calling = false;
 			return;
 		}