This patch fixes a possible buffer overrun problem in crypto perf test.
Previously when user configured AAD size is over 12 bytes the copy
of template AAD will cause a buffer overrun.
The problem is fixed by only copy up to 12 bytes of AAD template.
Fixes: 8a5b494a7f ("app/test-crypto-perf: add AEAD parameters")
Cc: stable@dpdk.org
Signed-off-by: Przemyslaw Zegan <przemyslawx.zegan@intel.com>
Acked-by: Fan Zhang <roy.fan.zhang@intel.com>