[opengrok] Remove findbugs warnings introduced in previous commit

[trond.nor...@sun.com]

Author: Trond Norbye <trond.norbye at sun.com>
Repository: /hg/opengrok/trunk
Latest revision: b73f84c94b2e825746b0aaffba39f41688070a07
Total changesets: 1
Log message:
Remove findbugs warnings introduced in previous commit

Files:
        update: src/org/opensolaris/opengrok/history/HistoryGuru.java