Fix a warning on remove_polygon when the view is still 0,0 in size
Fix a warning on remove_polygon when the view is still 0,0 in size

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