Core/ObjectMgr: Static members are no longer accessed through singleton

--HG--
branch : trunk

src/server/game/Entities/Unit/Unit.cpp

@@ -14892,7 +14892,7 @@ Pet* Unit::CreateTamedPetFrom(uint32 creatureEntry, uint32 spell_id)
     if (GetTypeId() != TYPEID_PLAYER)
         return NULL;
 
-    CreatureInfo const* creatureInfo = sObjectMgr.GetCreatureTemplate(creatureEntry);
+    CreatureInfo const* creatureInfo = ObjectMgr::GetCreatureTemplate(creatureEntry);
     if (!creatureInfo)
         return NULL;