-void vik_map_source_get_copyright (VikMapSource * self, LatLonBBox bbox, gdouble zoom, void (*fct)(void*,const gchar*), void *data);
+void vik_map_source_get_copyright (VikMapSource * self, LatLonBBox bbox, gdouble zoom, void (*fct)(VikViewport*,const gchar*), void *data);