cmake HAVE_64_BIT examples

cnr-isti-vclab/meshlab unsupported/plugins_unsupported/external/CoMISo/cmake/ACGCommon.cmake :158

else ( HAVE_64_BIT )

cnr-isti-vclab/meshlab unsupported/plugins_unsupported/external/CoMISo/cmake/ACGCommon.cmake :170

endif( HAVE_64_BIT )