Change many uint32 to ObjectGuid::LowType in line with 6.x changes.

src/server/game/Entities/DynamicObject/DynamicObject.cpp

@@ -79,7 +79,7 @@ void DynamicObject::RemoveFromWorld()
     }
 }
 
-bool DynamicObject::CreateDynamicObject(uint32 guidlow, Unit* caster, uint32 spellId, Position const& pos, float radius, DynamicObjectType type)
+bool DynamicObject::CreateDynamicObject(ObjectGuid::LowType guidlow, Unit* caster, uint32 spellId, Position const& pos, float radius, DynamicObjectType type)
 {
     SetMap(caster->GetMap());
     Relocate(pos);