Add missing `override`

Redundant with `final` but GCC -Wsuggest-override complains.
(This is already a bug filed for this in GCC upstream.)

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/rng/rng.h b/src/lib/rng/rng.h
index 34f62d1ff..f6fa80df0 100644
--- a/src/lib/rng/rng.h
+++ b/src/lib/rng/rng.h
@@ -179,7 +179,7 @@ typedef RandomNumberGenerator RNG;
 class BOTAN_PUBLIC_API(2,0) Hardware_RNG : public RandomNumberGenerator
    {
    public:
-      virtual void clear() final { /* no way to clear state of hardware RNG */ }
+      virtual void clear() final override { /* no way to clear state of hardware RNG */ }
    };
 
 /**