Function gstreamer_controller_sys::gst_proxy_control_binding_new

pub unsafe extern "C" fn gst_proxy_control_binding_new(
    object: *mut GstObject, 
    property_name: *const c_char, 
    ref_object: *mut GstObject, 
    ref_property_name: *const c_char
) -> *mut GstControlBinding

This is supported on crate feature v1_12 only.