two compilation fixes

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f304401..c534a0f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -78,7 +78,7 @@
 
 option(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION "Disable explicit vectorization in tests/examples" OFF)
 if(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION)
-  add_definitions(EIGEN_DONT_VECTORIZE=1)
+  add_definitions(-DEIGEN_DONT_VECTORIZE=1)
   message("Disabling vectorization in tests/examples")
 endif(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION)
 

Eigen/src/Sparse/SparseFlagged.h

diff --git a/Eigen/src/Sparse/SparseFlagged.h b/Eigen/src/Sparse/SparseFlagged.h
index 2edac9c..c47e162 100644
--- a/Eigen/src/Sparse/SparseFlagged.h
+++ b/Eigen/src/Sparse/SparseFlagged.h
@@ -43,7 +43,6 @@
     
     typedef typename ei_meta_if<ei_must_nest_by_value<ExpressionType>::ret,
         ExpressionType, const ExpressionType&>::ret ExpressionTypeNested;
-    typedef typename ExpressionType::InnerIterator InnerIterator;
 
     inline SparseFlagged(const ExpressionType& matrix) : m_matrix(matrix) {}