When the distributor sample app is built as a 32-bit app,
the data buffer passed to find_match_vec can be unaligned,
causing a segmentation fault due to writing a 128-bit value
using _mm_store_si128(). 128-bit align the data being
passed in so this does not happen.
Fixes: 775003ad2f96 ("distributor: add new burst-capable library")
Cc: stable@dpdk.org
Signed-off-by: David Hunt <david.hunt@intel.com>