sm4: fix unused parameter compiler warning

* cipher/sm4.c (sm4_get_crypt_blk1_16_fn): '(void)'-access ctx
parameter to avoid compiler warning on powerpc.
--

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>

1 files changed, 1 insertions, 0 deletions

diff --git a/cipher/sm4.c b/cipher/sm4.c
index 4cac3b6c..99a1e840 100644
--- a/cipher/sm4.c
+++ b/cipher/sm4.c
@@ -1007,6 +1007,7 @@ sm4_get_crypt_blk1_16_fn(SM4_context *ctx)
 #endif
   else
     {
+      (void)ctx;
       prefetch_sbox_table ();
       return &sm4_crypt_blocks;
     }