[PATCH] crypto: fix flexible_array.cocci warnings

[Julia Lawall]

From: kernel test robot <lkp@xxxxxxxxx>

 Zero-length and one-element arrays are deprecated, see
 Documentation/process/deprecated.rst
 Flexible-array members should be used instead.

Generated by: scripts/coccinelle/misc/flexible_array.cocci

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Julia Lawall <julia.lawall@xxxxxxxx>
---

tree:   https://github.com/meghadey/crypto crypto-avx512
head:   9c8c2ca77f6e2575a130bddb9767d068e1162d71
commit: 377aede9f10ee28be954473668bc6d33c6c9db75 [5/6] crypto: aesni - AVX512 version of AESNI-GCM using VPCLMULQDQ
:::::: branch date: 7 weeks ago
:::::: commit date: 7 weeks ago

 aesni-intel_glue.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -87,7 +87,7 @@ struct gcm_context_data {
 	u64 partial_block_len;
 	u64 unused;
 	/* Allocate space for hash_keys later */
-	u8 hash_keys[0];
+	u8 hash_keys[];
 };

 asmlinkage int aesni_set_key(struct crypto_aes_ctx *ctx, const u8 *in_key,