Log Message:
Update sane-backends to 1.0.12.  Changes include:

 * Documentation updates

 * Updated backends: apple, artec_eplus48u, as6e, avision, canon,
                     canon630u, dc210, dc240, dll, epson,
                     fujitsu (fi4220), gphoto2, gt68xx, hp,
                     mustek, mustek_pp, mustek_usb, net, pie,
                     plustek, snapscan, teco2, test, umax,
                     umax_pp

 * New backends: ibm, ma1509, some versions of hp5400

 * Added IPv6 support for saned and net backend

 * Added SCSI support for MacOS X

 * Build system improvements

 * USB access improvements

 * Portability fixes

 * Translation updates and new translations: nl, no

 * Bugfixes