compile error libnih 1.0.3 with dbus 1.2.24

When the user attempts to compile libnih 1.0.3 using dbus 1.2.24, the make process returns an error:

make[2]: Entering directory `/source/libnih-1.0.3/nih-dbus-tool'
  CC type.o
type.c: In function 'type_const':
type.c:85: error: 'DBUS_TYPE_UNIX_FD' undeclared (first use in this function)
type.c:85: error: (Each undeclared identifier is reported only once
type.c:85: error: for each function it appears in.)
type.c: In function 'type_of':
type.c:143: error: 'DBUS_TYPE_UNIX_FD' undeclared (first use in this function)

Steps To Reproduce:
1. Update to DBus 1.2.24
2. run ./configure on libnih 1.0.3 sources
3. run make
4. Observe compile error

Note:
DBUS_TYPE_UNIX_FD is no longer declared in dbus/dbus-protocol.h
See Reference:
http://lists.freedesktop.org/archives/dbus/2010-April/012509.html

However, in dbus 1.2.24 dbus_message_append_unix_file_descriptor also does not appear to be defined.
the following may be relevant functions in dbus-connection.h:

dbus_bool_t dbus_connection_get_unix_fd (DBusConnection *connection, int *fd);

int dbus_watch_get_unix_fd (DBusWatch *watch);