Fix extraction of some translatable strings
Fix extraction of some translatable strings

The reason why some of the strings in gtkprintunixdialog.ui
were missing is that we did not extract translatable string
from <item> elements. Fix that.

Adamovskiy/gtk,msteinert/gtk,grubersjoe/adwaita,msteinert/gtk,Lyude/gtk-,Adamovskiy/gtk,Adamovskiy/gtk,Sidnioulz/SandboxGtk,Lyude/gtk-,jadahl/gtk,Sidnioulz/SandboxGtk,grubersjoe/adwaita,Adamovskiy/gtk,davidgumberg/gtk,jigpu/gtk,alexlarsson/gtk,jadahl/gtk,grubersjoe/adwaita,alexlarsson/gtk,ahodesuka/gtk,grubersjoe/adwaita,Lyude/gtk-,jadahl/gtk,Lyude/gtk-,chergert/gtk,davidgumberg/gtk,alexlarsson/gtk,davidgumberg/gtk,Lyude/gtk-,jadahl/gtk,Sidnioulz/SandboxGtk,Sidnioulz/SandboxGtk,alexlarsson/gtk,chergert/gtk,ahodesuka/gtk,grubersjoe/adwaita,grubersjoe/adwaita,chergert/gtk,jessevdk/gtk,chergert/gtk,jigpu/gtk,Lyude/gtk-,jigpu/gtk,ahodesuka/gtk,jadahl/gtk,chergert/gtk,jigpu/gtk,ahodesuka/gtk,Adamovskiy/gtk,alexlarsson/gtk,msteinert/gtk,jigpu/gtk,alexlarsson/gtk,ahodesuka/gtk,Adamovskiy/gtk,msteinert/gtk,jessevdk/gtk,jadahl/gtk,alexlarsson/gtk,davidgumberg/gtk,jadahl/gtk,chergert/gtk,ahodesuka/gtk,Adamovskiy/gtk,davidgumberg/gtk,jessevdk/gtk,Lyude/gtk-,Sidnioulz/SandboxGtk,jessevdk/gtk,jigpu/gtk,Lyude/gtk-,jessevdk/gtk,alexlarsson/gtk,msteinert/gtk,davidgumberg/gtk,jigpu/gtk,chergert/gtk,jessevdk/gtk,Adamovskiy/gtk,davidgumberg/gtk,jadahl/gtk,ahodesuka/gtk,davidgumberg/gtk,grubersjoe/adwaita,jigpu/gtk,ahodesuka/gtk,msteinert/gtk,grubersjoe/adwaita,jessevdk/gtk,Sidnioulz/SandboxGtk,chergert/gtk