Fix klistopenfilesjob header file not being installed
Summary:
The header file KListOpenFilesJob and klistopenfilesjob.h was not being
installed
Reviewers: dfaure, meven, ngraham
Reviewed By: meven, ngraham
Subscribers: ngraham, kde-frameworks-devel
Tags: Frameworks
Differential Revision: https://phabricator.kde.org/D24389