Just make the io.Reader etc aliases

vendor/botan/keccak/keccak.odin

@@ -69,7 +69,7 @@ hash_stream_512 :: proc(s: io.Stream) -> ([DIGEST_SIZE_512]byte, bool) {
     defer delete(buf)
     i := 1
     for i > 0 {
-        i, _ = io.read({s}, buf)
+        i, _ = io.read(s, buf)
         if i > 0 {
             botan.hash_update(ctx, len(buf) == 0 ? nil : &buf[0], uint(i))
         }