Revert buggy commit
Revert buggy commit

My assumption that priv->latitude and priv->longitude don't change in
resize_viewport() was clearly wrong as I hit the bug. What's going
on here?

Signed-off-by: Jiří Techet <af18a4329e30c3b95edc4d3e647176d16d87c9c7@gmail.com>

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