isl_basic_map_domain: rename "dim" variable to "space"
isl_basic_map_domain: rename "dim" variable to "space"

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

tobig/isl,nicolasvasilache/isl,PollyLabs/isl,UBERTC/isl,BenzoSM/isl,KangDroidSMProject/ISL,PollyLabs/isl,UBERTC/isl,inducer/isl-mirror,nicolasvasilache/isl,nicolasvasilache/isl,Meinersbur/isl,KangDroidSMProject/ISL,simbuerg/isl,Meinersbur/isl,Distrotech/isl,BenzoSM/isl,simbuerg/isl,PollyLabs/isl,UBERTC/isl,UBERTC/isl,KangDroidSMProject/ISL,evaautomation/isl,BenzoSM/isl,KangDroidSMProject/ISL,tobig/isl,PollyLabs/isl,nicolasvasilache/isl,simbuerg/isl,Distrotech/isl,nicolasvasilache/isl,Meinersbur/isl,BenzoSM/isl,KangDroidSMProject/ISL,evaautomation/isl,simbuerg/isl,Distrotech/isl,inducer/isl-mirror,tobig/isl,simbuerg/isl,BenzoSM/isl,Distrotech/isl,tobig/isl,inducer/isl-mirror,Distrotech/isl,evaautomation/isl,evaautomation/isl,PollyLabs/isl,inducer/isl-mirror,inducer/isl-mirror,Meinersbur/isl