Replace pcl_isfinite with std::isfinite

See PointCloudLibrary#2798

surface/include/pcl/surface/impl/mls.hpp

@@ -739,7 +739,7 @@ pcl::MLSResult::computeMLSSurface (const pcl::PointCloud<PointT> &cloud,
 
   query_point = cloud.points[index].getVector3fMap ().template cast<double> ();
 
-  if (!pcl_isfinite (eigen_vector[0]) || !pcl_isfinite (eigen_vector[1]) || !pcl_isfinite (eigen_vector[2]))
+  if (!std::isfinite(eigen_vector[0]) || !std::isfinite(eigen_vector[1]) || !std::isfinite(eigen_vector[2]))
   {
     // Invalid plane coefficients, this may happen if the input cloud is non-dense (it contains invalid points)
     // or if the points in the neighborhood are linearly dependent (e.g. on a line).