Merge pull request #181 from aeyakovenko/link

update link

README.md

@@ -146,7 +146,7 @@ $ cargo +nightly bench --features="unstable"
 To run the benchmarks on Linux with GPU optimizations enabled:
 
 ```bash
-$ wget https://solana.com/gpu/latest/libcuda_verify_ed25519.a
+$ wget https://solana-build-artifacts.s3.amazonaws.com/v0.5.0/libcuda_verify_ed25519.a
 $ cargo +nightly bench --features="unstable,cuda"
 ```