[qca-nss-clients] Fix sa->aead and sa->ahash use after free issue.

sa->aead and sa->ahash were freed but not set to null. This caused
null pointer derenfece for few algos. This patch sets
sa->aead and sa->ahash to null whenever its freed.

Signed-off-by: Himanshu Joshi <himajosh@codeaurora.org>
Change-Id: Ib3c59e8236f5989137857efbc583bc9ededdb58e
1 file changed