Cleanup trailing whitespaces

:Release Notes:
Cleanup all trailing whitespaces from c sources and header files.

:Detailed Notes:

:Testing Performed:
Build test only

:QA Notes:

:Issues Addressed:
[ANG-225] Improve ls-monitor log readability

Open-webOS-DCO-1.0-Signed-off-by: SangWook Han <sangwook.han@lge.com>

Change-Id: I772f7ea052a35ceb293eb23cc01ec945d1b3edce
Reviewed-on: https://g2g.palm.com/4372
Reviewed-by: DCO Verification
Reviewed-by: SangWook Han <sangwook.han@lge.com>
Tested-by: SangWook Han <sangwook.han@lge.com>
Reviewed-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>
Tested-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>