isl_dim.c: update n_name (only) when changing names
isl_dim.c: update n_name (only) when changing names

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