renaming (commit in order to avoid svn breakage)

doc/snippets/function_dynBlock.cpp

@@ -0,0 +1,10 @@
+#include <Eigen/Core.h>
+USING_EIGEN_DATA_TYPES
+using namespace std;
+int main(int, char**)
+{
+    Matrix4d m = Matrix4d::identity();
+    m.dynBlock(2,0,2,2) = m.dynBlock(0,0,2,2);
+    cout << m << endl;
+    return 0;
+}