Core/Battlefield: Compile fix

src/server/game/Battlefield/Zones/BattlefieldWG.cpp

@@ -21,6 +21,7 @@
 // TODO: Add proper implement of achievement
 
 #include "BattlefieldWG.h"
+#include "MapManager.h"
 #include "ObjectMgr.h"
 #include "Opcodes.h"
 #include "Player.h"
@@ -55,7 +56,7 @@ bool BattlefieldWG::SetupBattlefield()
     m_ZoneId = BATTLEFIELD_WG_ZONEID;
     m_MapId = BATTLEFIELD_WG_MAPID;
     m_Map = sMapMgr->FindMap(m_MapId, 0);
-    
+
     m_MaxPlayer = sWorld->getIntConfig(CONFIG_WINTERGRASP_PLR_MAX);
     m_IsEnabled = sWorld->getBoolConfig(CONFIG_WINTERGRASP_ENABLE);
     m_MinPlayer = sWorld->getIntConfig(CONFIG_WINTERGRASP_PLR_MIN);