Fix for crash in ippstatus_monitor.c am: 79fb0a3f55

Original change: https://android-review.googlesource.com/c/platform/packages/services/BuiltInPrintService/+/2899351

Change-Id: I08ba1bfec5ec2550de4c5bd8d69cb25a7c564e6e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>