Fix ClearCase base path generation

Review Request #3281 — Created Aug. 15, 2012 and submitted — Latest diff uploaded

Information

RBTools
master

Reviewers

In following path:
  C:\clearcase\PROJECT_view\PROJECT
current code would extract the base path as C:\clearcase\PROJECT

This patch effectively fixes this issue by using "cleartool pwv -root" to get view directory string length.
Tested on Windows with snapshot view.