FindUmfPack: add AMD and COLAMD libraries only if they are found
FindUmfPack: add AMD and COLAMD libraries only if they are found

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extra : convert_revision : svn%3A283d02a7-25f6-0310-bc7c-ecb5cbfe19da/trunk/kdesupport/eigen2%40917303

rotorliu/eigen,madlib/eigen_backup,rotorliu/eigen,rotorliu/eigen,mjbshaw/Eigen,mjbshaw/Eigen,mjbshaw/Eigen,madlib/eigen_backup,mjbshaw/Eigen,madlib/eigen_backup,madlib/eigen_backup,rotorliu/eigen