Fix bugs discovered from coverity reports

:Release Notes:
Printf arg count mismatch

:Detailed Notes:

:Testing Performed:
Trivial change. Build succeeded.

:QA Notes:

:Issues Addressed:
[GF-52219] sleepd: Fix bugs after coverity report

Open-webOS-DCO-1.0-Signed-off-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>

Change-Id: Id36dca0b9748a5f745c7e141c1f90588a61ef2c9
Reviewed-on: https://g2g.palm.com/3987
Reviewed-by: DCO Verification
Reviewed-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>
Tested-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>
Reviewed-by: Alexandr Smoktal <alexandr.smoktal@lge.com>
Reviewed-by: Mykola Kryvonos <mykola.kryvonos@lge.com>
Reviewed-by: Keith Derrick <keith.derrick@lge.com>