fs/ntfs3: Use 64 bit variable to avoid 32 bit overflow

[ Upstream commit e931f6b6 ]

For example, in the expression:
	vbo = 2 * vbo + skip

Fixes: b46acd6a ("fs/ntfs3: Add NTFS journal")
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>