isl_output.c: print_split_map: rename "dim" variable to "space"
isl_output.c: print_split_map: rename "dim" variable to "space"

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

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