Function gobject_sys::g_object_bind_property_with_closures

pub unsafe extern fn g_object_bind_property_with_closures(source: *mut GObject,
                                                          source_property: *const c_char,
                                                          target: *mut GObject,
                                                          target_property: *const c_char,
                                                          flags: GBindingFlags,
                                                          transform_to: *mut GClosure,
                                                          transform_from: *mut GClosure)
                                                          -> *mut GBinding