isl_input.c: accept_affine_list: plug memory leak on error path
isl_input.c: accept_affine_list: plug memory leak on error path

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

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