[EXT] [PATCH v1] examples/fips_validation: fix IV generation for gmac

[Akhil Goyal]

> Replace rand() call in fips validation example with rte_rand().
> 
> Coverity issue: 381668
> Fixes: e27268bd2103 ("examples/fips_validation: add parsing for AES-GMAC")
> 
> Signed-off-by: Brian Dooley <brian.dooley at intel.com>
Applied to dpdk-next-crypto

Thanks.