From 40998f5e868932b9815c764d81e382f307d67bb0 Mon Sep 17 00:00:00 2001
From: Eamon Nerbonne <eamon@nerbonne.org>
Date: Thu, 27 Jan 2011 07:43:07 -0500
Subject: [PATCH] fix const-related compiler error on MSC.

---
 Eigen/src/Core/Diagonal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Eigen/src/Core/Diagonal.h b/Eigen/src/Core/Diagonal.h
index 5b44a6c3d..222a5be64 100644
--- a/Eigen/src/Core/Diagonal.h
+++ b/Eigen/src/Core/Diagonal.h
@@ -162,7 +162,7 @@ MatrixBase<Derived>::diagonal()
 
 /** This is the const version of diagonal(). */
 template<typename Derived>
-inline typename MatrixBase<Derived>::ConstDiagonalReturnType
+inline const typename MatrixBase<Derived>::ConstDiagonalReturnType
 MatrixBase<Derived>::diagonal() const
 {
   return ConstDiagonalReturnType(derived());