Diagnostic maneuver to track down memory leak: revert memory allocations of int and double arrays of triplets to their original form, and comment out the test example of "bad" geometry in the man page for the 3D implementation.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ptinpoly@31 edb9625f-4e0d-4859-8d74-9fd3b1da38cb