cmake FTGL examples

cnr-isti-vclab/meshlab unsupported/plugins_unsupported/external/CoMISo/cmake/ACGCommon.cmake :240 

find_package (FTGL)

root-project/root cmake/modules/SearchInstalledSoftware.cmake :1101 

find_package(FTGL)

nutjunkie/IQmol src/OpenMesh/cmake/ACGCommon.cmake :333 

find_package (FTGL)

CGAL/cgal Linear_cell_complex/benchmark/Linear_cell_complex_3/cmake/ACGCommon.cmake :186 

find_package (FTGL)