Added check to avoid assertion when the eigenvalues of the neighboorhod cannot be computed => The Local Reference System cannot be estimated. We are investating why is this happening so once we found out we might remove this check.
Added check to avoid assertion when the eigenvalues of the neighboorhod
cannot be computed => The Local Reference System cannot be estimated. We are investating why is this happening so once we found
out we might remove this check.



git-svn-id: 1af002208e930b4d920e7c2b948d1e98a012c795@3849 a9d63959-f2ad-4865-b262-bf0e56cfafb6

psoetens/pcl-svn,psoetens/pcl-svn,psoetens/pcl-svn,psoetens/pcl-svn,psoetens/pcl-svn