test/crypto: fix overflow
test/crypto: fix overflow

In one of the SNOW3G unit tests, insufficient memory
was allocated, leading to a buffer overflow.

Fixes: 2b52e1e95aab ("app/test: add SNOW 3G UEA2 with offset")
Cc: stable@dpdk.org

Signed-off-by: Pablo de Lara <28355d9cfe41bb8148aea0fb24f47aae8f4217a1@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk