targets/gtamodem.h: UARTFAX_CLASSIC_DTR_DCD turned OFF: Calypso signal IO3 is unconnected on Openmoko's modem, not grounded or pulled down, hence treating it as a DTR input is not good

/* This file is needed just to make sure the archiver isn't called
 * with an empty list of object files. */

static void aci_dummy_dont_call_this(void)
{
}