isl_printer_print_point: print point as a set
isl_printer_print_point: print point as a set

Do so by calling isl_print_space.  This ensures that the structure
of the space is reflected in the output.

Signed-off-by: Sven Verdoolaege <e5350bbed4977f5eb8ae1dc6abd9ae59d21ace75@kotnet.org>

tobig/isl,inducer/isl-mirror,tobig/isl,inducer/isl-mirror,PollyLabs/isl,BenzoSM/isl,UBERTC/isl,tobig/isl,nicolasvasilache/isl,UBERTC/isl,nicolasvasilache/isl,Meinersbur/isl,tobig/isl,Distrotech/isl,inducer/isl-mirror,BenzoSM/isl,nicolasvasilache/isl,PollyLabs/isl,BenzoSM/isl,inducer/isl-mirror,Meinersbur/isl,UBERTC/isl,Distrotech/isl,BenzoSM/isl,nicolasvasilache/isl,PollyLabs/isl,PollyLabs/isl,nicolasvasilache/isl,UBERTC/isl,inducer/isl-mirror,Distrotech/isl,BenzoSM/isl,PollyLabs/isl,Meinersbur/isl,Distrotech/isl,Distrotech/isl,Meinersbur/isl