Fix preprocessor error.

This commit is contained in:
Gary Furnish 2016-12-06 17:40:09 -07:00 committed by Neil MacIntosh
parent 628d3e8546
commit 1a94e77910

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@ -93,7 +93,7 @@ inline final_act<F> finally(F&& f) noexcept
}
// narrow_cast(): a searchable way to do narrowing casts of values
#if _MSC_VER <= 1800
#if defined(_MSC_VER) && _MSC_VER <= 1800
template <class T, class U>
inline constexpr T narrow_cast(U u) noexcept
{