PointCloudLibrary/pcl — pull request #614 by taketwo (2014-04-05 10:19:14+00:00)
Title: Remove "global" from all calls to `addCoordinateSystem`

This makes the tutorial compatible with both PCL <= 1.7.1 and the current master.

See the [discussion on dev list](http://www.pcl-developers.org/pcl-visualizer-demo-cpp-compilation-error-and-solution-td5709431.html).