user.pod: fix internal links
user.pod: fix internal links

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

Distrotech/isl,crossbuild/isl,Meinersbur/isl,inducer/isl-mirror,simbuerg/isl,SaberMod/isl-current,Distrotech/isl,BobSaget-Mod/libisl,nicolasvasilache/isl,inducer/isl-mirror,abduld/isl,SaberMod/isl-current,jleben/isl,Distrotech/isl,PollyLabs/isl,KangDroidSMProject/ISL,Distrotech/isl,tobig/isl,inducer/isl-mirror,jleben/isl,SaberMod/isl-current,simbuerg/isl,BenzoSM/isl,nicolasvasilache/isl,abduld/isl,Meinersbur/isl,UBERTC/isl,BenzoSM/isl,tobig/isl,PollyLabs/isl,PollyLabs/isl,BenzoSM/isl,jleben/isl,SaberMod/isl-current,UBERTC/isl,crossbuild/isl,evaautomation/isl,evaautomation/isl,Meinersbur/isl,simbuerg/isl,PollyLabs/isl,nicolasvasilache/isl,abduld/isl,nicolasvasilache/isl,UBERTC/isl,jleben/isl,tobig/isl,BobSaget-Mod/libisl,VanirLLVM/toolchain_isl,abduld/isl,jleben/isl,evaautomation/isl,KangDroidSMProject/ISL,KangDroidSMProject/ISL,VanirLLVM/toolchain_isl,nicolasvasilache/isl,UBERTC/isl,crossbuild/isl,simbuerg/isl,VanirLLVM/toolchain_isl,BenzoSM/isl,Distrotech/isl,VanirLLVM/toolchain_isl,BobSaget-Mod/libisl,inducer/isl-mirror,VanirLLVM/toolchain_isl,simbuerg/isl,crossbuild/isl,BobSaget-Mod/libisl,PollyLabs/isl,tobig/isl,BobSaget-Mod/libisl,KangDroidSMProject/ISL,evaautomation/isl,inducer/isl-mirror,Meinersbur/isl,KangDroidSMProject/ISL,BenzoSM/isl