Fix obvious potential crash conditions

:Release Notes:
PMLOGKFV() should be used to format numbers.

:Detailed Notes:

:Testing Performed:
Build succeeded
Checked on qemux86

:QA Notes:

:Issues Addressed:
[GF-54636] Excessive crashes in Configurator /lib/libc.so.6(strlen+0x4)

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

Change-Id: I01dd184646ef32848849e4c8df33f154cd3d4c04
Reviewed-on: https://g2g.palm.com/4182
Reviewed-by: DCO Verification
Tested-by: Alekseyev Oleksandr <alekseyev.oleksandr@lge.com>
Reviewed-by: Alexandr Smoktal <alexandr.smoktal@lge.com>
Reviewed-by: Alekseyev Oleksandr <alekseyev.oleksandr@lge.com>