Fix calling default constructor by using uniform initialization.#340

cary-ilm merged 1 commit intoAcademySoftwareFoundation:mainAcademySoftwareFoundation/Imath:mainfrom

sukeya:fix_calling_default_constructor_in_ImathTypeTraitssukeya/Imath:fix_calling_default_constructor_in_ImathTypeTraitsCopy head branch name to clipboard