qcow2: reorder fields in Qcow2CachedTable to reduce padding
Changing the current ordering saves 8 bytes per cache entry in x86_64. Signed-off-by: NAlberto Garcia <berto@igalia.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NKevin Wolf <kwolf@redhat.com> Message-id: 0bd55291211df3dfb514d0e7d2031dd5c4f9f807.1438690126.git.berto@igalia.com Signed-off-by: NMax Reitz <mreitz@redhat.com>
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