Increase libtool version to 2.1.0

due to the API additions since 2.0.9:
    raw1394_add_config_rom_descriptor()
    raw1394_remove_config_rom_descriptor()
    raw1394_read_cycle_timer_and_clock()

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
1 file changed