Added context arg in geos operations getGeometry and getGeometries

src/geos_operations.jl

@@ -215,8 +215,8 @@ isClosed(obj::LineString) = isClosed(obj.ptr) # Call only on LINESTRING
 
 # Gets sub-geomtry at index n or a vector of all sub-geometries
 for geom in (:Point, :MultiPoint, :LineString, :MultiLineString, :LinearRing, :Polygon, :MultiPolygon, :GeometryCollection)
-    @eval getGeometry(obj::$geom, n::Integer) = geomFromGEOS(getGeometry(obj.ptr, n))
-    @eval getGeometries(obj::$geom) = geomFromGEOS.(getGeometries(obj.ptr))
+    @eval getGeometry(obj::$geom, n::Integer, context::GEOSContext = _context) = geomFromGEOS(getGeometry(obj.ptr, n, context))
+    @eval getGeometries(obj::$geom, context::GEOSContext = _context) = geomFromGEOS.(getGeometries(obj.ptr, context))
 end
 
 # Converts Geometry to normal form (or canonical form).