[DTV00857290][[DTV][Coverity Scanned Code Defect] 15367: Out-of-bounds write]

[Description]
Fix cid 70016 "Array compared against 0" in cnm_mem.c

Change-Id: I6db8559380150ab725daa275a7d42c1f63118c07
Signed-off-by: Danny Wu <danny.wu@mediatek.com>
CR-Id: DTV00857290
(cherry picked from commit 6584840d4c5e170ced3fba55a872293018b9da9b)
(cherry picked from commit bd472d2e546024caf94ab235ee64994e9b230beb)
1 file changed