isl_*_check_match_domain_space: adjust to isl_space_match returning isl_bool
isl_*_check_match_domain_space: adjust to isl_space_match returning isl_bool

This was missing from 92b945a (isl_space_match: return isl_bool,
Tue Jun 14 11:26:54 2016 +0200).

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

nicolasvasilache/isl,PollyLabs/isl,tobig/isl,tobig/isl,inducer/isl-mirror,nicolasvasilache/isl,inducer/isl-mirror,Meinersbur/isl,nicolasvasilache/isl,PollyLabs/isl,PollyLabs/isl,inducer/isl-mirror,nicolasvasilache/isl,tobig/isl,inducer/isl-mirror,tobig/isl,PollyLabs/isl,PollyLabs/isl,Meinersbur/isl,inducer/isl-mirror,nicolasvasilache/isl,Meinersbur/isl,Meinersbur/isl