Repairing the patch (re-sync with upstream CVS).
Georg: You shouldn't mess around with whitespace. That's why copy&paste is superior.
Additionally add the following related change from upstream CVS:
2008-02-02 Christian Stimming <email@example.com>
* src/lib/ktoblzcheck.cc: When finished with time operations, call
tzset() again to reset its variables to (hopefully) the original