Pass va_list as such, instead of passing to variadic function
Summary: Logs from krdc appear corrupted for me. This patch should fix values in the logs.
Reviewers: kossebau, uwolfer, KDE Applications, cfeck, aacid
Reviewed By: KDE Applications, aacid
Subscribers: aacid
Differential Revision: https://phabricator.kde.org/D20118