Add another admin boundary conversion tag

tools/shp2osm/polyshp2osm.py

@@ -186,6 +186,7 @@ def feature_class(data):
     'Admin-1 aggregation': [('boundary', 'administrative'), ('admin_level', '4')],
     'Admin-1 minor island': [('boundary', 'administrative'), ('admin_level', '4')],
     'Admin-1 scale rank': [('boundary', 'administrative'), ('admin_level', '4')],
+    'Admin-1 region boundary': [('boundary', 'administrative'), ('admin_level', '4')],
     'Railroad': [('railway', 'rail')],
     'Railroad ferry': [('route', 'ferry')],
     'Urban area': [('settlement', 'yes')],
@@ -813,4 +814,4 @@ if __name__ == "__main__":
             if non_geom != 0:
                 print('Unknown geometry present in SHP file: ', non_geom)
     
- 
\ No newline at end of file
+