Gerrit 2.11 UI changed the divs for the comment info section.
The current use of innerHTML causes a TypeError[1] on page load
because the object is undefined. This change works for both
ver 2.8 and ver 2.11
[1] Uncaught TypeError: Cannot read property 'innerHTML' of undefined
Change-Id: Id6871f3b28218bbd0feff8640512566dd57ca150