Fix the single-line-mode property
Fix the single-line-mode property

Distrotech/libchamplain,StanciuMarius/Libchamplain-map-wrapping,GNOME/libchamplain,Distrotech/libchamplain,potyl/champlain,PabloCastellano/libchamplain,StanciuMarius/Libchamplain-map-wrapping,potyl/champlain,StanciuMarius/Libchamplain-map-wrapping,StanciuMarius/Libchamplain-map-wrapping,GNOME/libchamplain,PabloCastellano/libchamplain,GNOME/perl-Gtk2-Champlain,PabloCastellano/libchamplain,Distrotech/libchamplain,potyl/champlain,PabloCastellano/libchamplain,StanciuMarius/Libchamplain-map-wrapping,PabloCastellano/libchamplain,Distrotech/libchamplain,Distrotech/libchamplain,GNOME/perl-Gtk2-Champlain,GNOME/perl-Champlain,GNOME/perl-Champlain,potyl/champlain