isl_scan.c: fix typo in comment
isl_scan.c: fix typo in comment

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

jleben/isl,epowers/isl,SaberMod/isl-current,tobig/isl,Distrotech/isl,pierrotdelalune/isl,simbuerg/isl,pierrotdelalune/isl,evaautomation/isl,BobSaget-Mod/libisl,tobig/isl,BenzoSM/isl,Meinersbur/isl,VanirLLVM/toolchain_isl,BobSaget-Mod/libisl,inducer/isl-mirror,nicolasvasilache/isl,abduld/isl,cfx-next/toolchain_isl-upstream,PollyLabs/isl,nicolasvasilache/isl,KangDroidSMProject/ISL,BenzoSM/isl,serge-sans-paille/isl,evaautomation/isl,PollyLabs/isl,BobSaget-Mod/libisl,inducer/isl-mirror,BenzoSM/isl,KangDroidSMProject/ISL,evaautomation/isl,inducer/isl-mirror,jleben/isl,abduld/isl,UBERTC/isl,cfx-next/toolchain_isl-upstream,Distrotech/isl,simbuerg/isl,inducer/isl-mirror,epowers/isl,simbuerg/isl,crossbuild/isl,jleben/isl,Distrotech/isl,UBERTC/isl,SaberMod/isl-current,VanirLLVM/toolchain_isl,tobig/isl,Meinersbur/isl,SaberMod/isl-current,simbuerg/isl,serge-sans-paille/isl,pierrotdelalune/isl,KangDroidSMProject/ISL,epowers/isl,serge-sans-paille/isl,Meinersbur/isl,Distrotech/isl,epowers/isl,simbuerg/isl,KangDroidSMProject/ISL,VanirLLVM/toolchain_isl,tobig/isl,KangDroidSMProject/ISL,cfx-next/toolchain_isl-upstream,PollyLabs/isl,cfx-next/toolchain_isl-upstream,jleben/isl,UBERTC/isl,BobSaget-Mod/libisl,epowers/isl,Distrotech/isl,evaautomation/isl,BenzoSM/isl,PollyLabs/isl,pierrotdelalune/isl,jleben/isl,serge-sans-paille/isl,inducer/isl-mirror,serge-sans-paille/isl,abduld/isl,Meinersbur/isl,cfx-next/toolchain_isl-upstream,VanirLLVM/toolchain_isl,nicolasvasilache/isl,nicolasvasilache/isl,crossbuild/isl,BenzoSM/isl,VanirLLVM/toolchain_isl,abduld/isl,pierrotdelalune/isl,BobSaget-Mod/libisl,nicolasvasilache/isl,crossbuild/isl,UBERTC/isl,crossbuild/isl,SaberMod/isl-current,PollyLabs/isl