Fix the position of the gray vertical line for line length limit
Fix the position of the gray vertical line for line length limit

A special treatment for commit messages was added in Change I18048f53f,
but the limit was not updated when the file path changed.

Bug: Issue 10626
Change-Id: I6db1e539ce2f66d0b0a38d3524fb5ff0afe75b98
(cherry picked from commit cd79eaca3a688d20151edba549d0ede58a2d4902)

qtproject/qtqa-gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,WANdisco/gerrit,qtproject/qtqa-gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,WANdisco/gerrit,qtproject/qtqa-gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,WANdisco/gerrit,WANdisco/gerrit,WANdisco/gerrit,WANdisco/gerrit,WANdisco/gerrit,qtproject/qtqa-gerrit,GerritCodeReview/gerrit,qtproject/qtqa-gerrit,GerritCodeReview/gerrit,qtproject/qtqa-gerrit,qtproject/qtqa-gerrit