Add debughelper.h to installed files so we can use it in other places.
Add debughelper.h to installed files so we can use it in other places.

pranavrc/example-gluon,cgaebel/gluon,pranavrc/example-gluon,KDE/gluon,KDE/gluon,KDE/gluon,cgaebel/gluon,cgaebel/gluon,cgaebel/gluon,pranavrc/example-gluon,KDE/gluon,pranavrc/example-gluon