[EXT] [PATCH] examples/l2fwd-crypto: fix typo in error message

[Akhil Goyal]

> Fixes spelling in one of the app's exit messages.
> 
> Fixes: 387259bd6c67 ("examples/l2fwd-crypto: add sample application")
> Cc: declan.doherty at intel.com
> Cc: stable at dpdk.org
> 
> Signed-off-by: Ali Alnubani <alialnu at nvidia.com>
Applied to dpdk-next-crypto

Thanks.