qseecom : Clear client handle after unmap the resources

When unloading the app, reset all client members to NULL
to protect from accessing the memory after being freed.

Bug: 143973884
Change-Id: I573b9c6fde03539522d2b04724a2246660c62518
Signed-off-by: jitendra thakare <jitendrathakare@codeaurora.org>
CVE-2019-14040
Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>
1 file changed