wifi: fix static code analysis failed am: eda240e817

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/connectivity/wificond/+/18816808

Change-Id: I59bc37060f6d89fc361f0bb63378c36052806087
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>