Missing outerStride in AlignedVector3 resulted in infinite recursion

unsupported/Eigen/AlignedVector3

diff --git a/unsupported/Eigen/AlignedVector3 b/unsupported/Eigen/AlignedVector3
index 35493e8..1fce005 100644
--- a/unsupported/Eigen/AlignedVector3
+++ b/unsupported/Eigen/AlignedVector3
@@ -61,6 +61,7 @@
     Scalar* data() { return m_coeffs.data(); }
     const Scalar* data() const { return m_coeffs.data(); }
     Index innerStride() const { return 1; }
+    Index outerStride() const { return m_coeffs.outerStride(); }
 
     inline const Scalar& coeff(Index row, Index col) const
     { return m_coeffs.coeff(row, col); }