[PATCH 20/20] chacha: Use #pragma pack

[Alberto Aguirre <albaguirre@xxxxxxxxx>]

Use #pragma pack instead of gcc specific attributes. Using #pragma
pack directives works for both Visual Studio and gcc/clang compilers.

Signed-off-by: Alberto Aguirre <albaguirre@xxxxxxxxx>
---
 src/chachapoly.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/chachapoly.c b/src/chachapoly.c
index 1d921f1e..73958ae4 100644
--- a/src/chachapoly.c
+++ b/src/chachapoly.c
@@ -35,10 +35,12 @@ struct chacha20_poly1305_keysched {
     struct chacha_ctx k2;
 };
 
+#pragma pack(push, 1)
 struct ssh_packet_header {
     uint32_t length;
     uint8_t payload[];
-} __attribute__((packed));
+};
+#pragma pack(pop)
 
 const uint8_t zero_block_counter[8] = {0, 0, 0, 0, 0, 0, 0, 0};
 const uint8_t payload_block_counter[8] = {1, 0, 0, 0, 0, 0, 0, 0};
-- 
2.14.1