ANG-12114: fix index of pages update rountine in VerticalDelegate.js
ANG-12114: fix index of pages update rountine in VerticalDelegate.js
Merge pull request #818 from enyojs/ANG-12114-Sungbae-Cho

ANG-12114: fix index of pages update rountine in VerticalDelegate.js

Reviewed-By: Cole Davis (cole.davis@lge.com)