[PATCH v3 1/6] hash: replace zero length array with flex array

[Tyler Retzlaff <roretzla@linux.microsoft.com>]

Zero length arrays are GNU extension. Replace with
standard flex array.

Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
Reviewed-by: Morten Brørup <mb@smartsharesystems.com>
Acked-by: Chengwen Feng <fengchengwen@huawei.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
---
 lib/hash/rte_thash.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/hash/rte_thash.c b/lib/hash/rte_thash.c
index e8de071..1982051 100644
--- a/lib/hash/rte_thash.c
+++ b/lib/hash/rte_thash.c
@@ -80,7 +80,7 @@ struct rte_thash_subtuple_helper {
 	uint32_t	tuple_offset;	/** < Offset in bits of the subtuple */
 	uint32_t	tuple_len;	/** < Length in bits of the subtuple */
 	uint32_t	lsb_msk;	/** < (1 << reta_sz_log) - 1 */
-	__extension__ uint32_t	compl_table[0] __rte_cache_aligned;
+	uint32_t	compl_table[] __rte_cache_aligned;
 	/** < Complementary table */
 };
 
@@ -93,7 +93,7 @@ struct rte_thash_ctx {
 	uint32_t	flags;
 	uint64_t	*matrices;
 	/**< matrices used with rte_thash_gfni implementation */
-	uint8_t		hash_key[0];
+	uint8_t		hash_key[];
 };
 
 int
-- 
1.8.3.1