Core: Fix non pch build

src/server/scripts/Kalimdor/moonglade.cpp

@@ -37,6 +37,9 @@ EndContentData */
 #include "ScriptedGossip.h"
 #include "Player.h"
 #include "SpellInfo.h"
+#include "Cell.h"
+#include "CellImpl.h"
+#include "GridNotifiers.h"
 
 /*######
 ## npc_bunthen_plainswind