Fix CXX11Meta compilation with MSVC

unsupported/Eigen/CXX11/src/util/CXX11Meta.h

diff --git a/unsupported/Eigen/CXX11/src/util/CXX11Meta.h b/unsupported/Eigen/CXX11/src/util/CXX11Meta.h
index 1f34fca..1c770a3 100644
--- a/unsupported/Eigen/CXX11/src/util/CXX11Meta.h
+++ b/unsupported/Eigen/CXX11/src/util/CXX11Meta.h
@@ -71,7 +71,7 @@
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
   array(std::initializer_list<T> l) {
     eigen_assert(l.size() == N);
-    internal::smart_copy(l.begin(), l.end(), this->begin());
+    internal::smart_copy(l.begin(), l.end(), &this->front());
   }
 #endif
 };