hide unused variable when not used

I guess someone just forgot to uncomment it. Closes: serde-deprecated#122
ignatenkobrain · Jun 15, 2017 · 7ff048f · 7ff048f
1 parent 87fd2cd
commit 7ff048f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/syntex_syntax/src/rustc_data_structures/blake2b.rs b/syntex_syntax/src/rustc_data_structures/blake2b.rs
@@ -31,7 +31,7 @@ pub struct Blake2bCtx {
     outlen: u16,
     finalized: bool,
 
-    //#[cfg(debug_assertions)]
+    #[cfg(debug_assertions)]
     fnv_hash: u64,
 }