crypto: algif_rng - fix sparse non static symbol warning

Fixes the following sparse warnings:

crypto/algif_rng.c:185:13: warning:
 symbol 'rng_exit' was not declared. Should it be static?

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Stephan Mueller <smueller@chronox.de>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 1 insertions, 1 deletions

diff --git a/crypto/algif_rng.c b/crypto/algif_rng.c
index 91c06f5673dd..67f612cfed97 100644
--- a/crypto/algif_rng.c
+++ b/crypto/algif_rng.c
@@ -182,7 +182,7 @@ static int __init rng_init(void)
         return af_alg_register_type(&algif_type_rng);
 }
 
-void __exit rng_exit(void)
+static void __exit rng_exit(void)
 {
         int err = af_alg_unregister_type(&algif_type_rng);
         BUG_ON(err);