Fixes the problem with the breadcrumb navigation(Bug 4306)

The global variable table is used by both breadcrumb navigation as
well as the tbl_create.php hence it needs to be set back to zero
after use.

Signed-off-by: Aditya Sastry <ganeshaditya1@gmail.com>
Merge pull request #1013 from ganeshaditya1/secondfix

Fixes the problem with the breadcrumb navigation(Bug 4306)