polytope_scan.c: isl_basic_set_samples: add memory management annotations
polytope_scan.c: isl_basic_set_samples: add memory management annotations

Signed-off-by: Sven Verdoolaege <235c10dd23b819f81cdc9756a251746bc184cab6@gmail.com>

Meinersbur/isl,Meinersbur/isl,Meinersbur/isl,Meinersbur/isl