Method vint4

Source/astcenc_vecmathlib_sse_4.h:192–192

* @brief Construct from zero-initialized value. */

	 * @brief Construct from zero-initialized value.
	 */
	ASTCENC_SIMD_INLINE vint4() = default;

	/**
	 * @brief Construct from 4 values loaded from an unaligned address.