[PATCH RESEND 2/2] Documentation: siphash: enclose HalfSipHash usage example in the literal block

[Bagas Sanjaya <bagasdotme@gmail.com>]

Render usage example of HalfSipHash function as code block by using
literal block syntax.

Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Eric Biggers <ebiggers@google.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
---
 Documentation/security/siphash.rst | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/security/siphash.rst b/Documentation/security/siphash.rst
index 42794a7e052f1e..06d793e680869c 100644
--- a/Documentation/security/siphash.rst
+++ b/Documentation/security/siphash.rst
@@ -132,10 +132,10 @@ Generating a HalfSipHash key
 ============================
 
 Keys should always be generated from a cryptographically secure source of
-random numbers, either using get_random_bytes or get_random_once:
+random numbers, either using get_random_bytes or get_random_once::
 
-hsiphash_key_t key;
-get_random_bytes(&key, sizeof(key));
+        hsiphash_key_t key;
+        get_random_bytes(&key, sizeof(key));
 
 If you're not deriving your key from here, you're doing it wrong.
 
-- 
An old man doll... just what I always wanted! - Clara