Core: Fix non-PCH build

(cherry picked from commit 45cb8c90e9)

src/server/game/Movement/MovementGenerators/WaypointMovementGenerator.h

@@ -26,10 +26,10 @@
  */
 
 #include "MovementGenerator.h"
+#include "Player.h"
 #include "Timer.h"
 
 class Creature;
-class Player;
 struct TaxiPathNodeEntry;
 struct WaypointPath;
 

src/server/scripts/Northrend/AzjolNerub/AzjolNerub/boss_hadronox.cpp

@@ -18,6 +18,7 @@
 #include "ScriptMgr.h"
 #include "azjol_nerub.h"
 #include "InstanceScript.h"
+#include "Map.h"
 #include "MotionMaster.h"
 #include "ObjectAccessor.h"
 #include "ScriptedCreature.h"