OSUpdateNotifier: wrong data type when set ForceUpdateStartTimeString value

[phu-ngo]

Line 977:

issue: fix the data type from integer to string
setPlistValue "$BundleID" "ForceUpdateStartTimeString" "integer" "$ForceUpdateStartTimeString" "$DeprecationPlist"

fix:
setPlistValue "$BundleID" "ForceUpdateStartTimeString" "string" "$ForceUpdateStartTimeString" "$DeprecationPlist"