Fix detected defects from static analysis

:Release Notes:
Fix detected defects from static analysis

:Detailed Notes:
53793 Uninitialized pointer field

:Testing Performed:
tested on build

:QA Notes:

:Issues Addressed:
[GF-56731] Fix coverity issues in the db8 component

Open-webOS-DCO-1.0-Signed-off-by: Maksym Sditanov<maxim.sditanov@lge.com>

Change-Id: Iad01ed0e318b15abc598cc47d968b159426c6390
Reviewed-on: https://g2g.palm.com/4293
Reviewed-by: DCO Verification
Reviewed-by: Oleksii Uratkin <oleksii.uratkin@lge.com>
Tested-by: Oleksii Uratkin <oleksii.uratkin@lge.com>