Fix location of Firefox dbCacheFile
Summary:
Before: ~/.cache/krunnerbookmarkrunnerfirefoxdbfile.sqlite
After: ~/.cache/krunner/bookmarkrunnerfirefoxdbfile.sqlite
My guess is that the slash got lost while porting from KDE4.
Test Plan: KRunner creates the new file and uses it.
Reviewers: mlaurent
Reviewed By: mlaurent
Subscribers: mlaurent, plasma-devel
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D10605