Compatibility with Eigen 3.3.4

Former-commit-id: 649a0d5709cae7ca82ab26ae680e69bdb6af8b22

include/igl/angle_bound_frame_fields.cpp

@@ -154,7 +154,7 @@ precomputeInteriorEdges()
   // Flag border edges
   numInteriorEdges = 0;
   isBorderEdge.setZero(numE,1);
-  indFullToInterior = -1.*Eigen::VectorXi::Ones(numE,1);
+  indFullToInterior = Eigen::VectorXi::Constant(numE,-1);
 
   for(unsigned i=0; i<numE; ++i)
   {