Core/SAI: Fixed a math error overflow in SmartScript::DecPhase(int32) (cherry picked from commit 6d7339e7a3daf302d6bed1c8c0a4584a69a9316b)
Core/SAI: Fixed a math error overflow in SmartScript::DecPhase(int32) (cherry picked from commit 6d7339e7a3daf302d6bed1c8c0a4584a69a9316b)