Merge pull request #2546 from taketwo/fix-2451

Fix dataset link in conditional euclidean clustering tutorial

doc/tutorials/content/conditional_euclidean_clustering.rst

@@ -26,7 +26,7 @@ The clusters classified as too small or too large can still be retrieved afterwa
 The Code
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-First, download the dataset `Statues_4.pcd <https://raw.githubusercontent.com/PointCloudLibrary/data/master/Trimble/Outdoor1/Statues_4.pcd>`_ and save it somewhere to disk.
+First, download the dataset `Statues_4.pcd <https://sourceforge.net/projects/pointclouds/files/PCD datasets/Trimble/Outdoor1/Statues_4.pcd.zip>`_ and extract the PCD file from the archive.
 This is a very large data set of an outdoor environment where we aim to cluster the separate objects and also want to separate the building from the ground plane even though it is attached in a Euclidean sense.
 
 Now create a file, let's say, ``conditional_euclidean_clustering.cpp`` in your favorite editor, and place the following inside it: