udev-config-printer.c: don't touch libusb alt setting for Samsung MFPs #408
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When connect Samsung ProXpress M3870FD
udev-configure-printer try to alter usb settings by libusb_set_interface_alt_setting, but for most Samsung devices this causes a problem:
https://blog.stuffedcow.net/2011/10/samsung-linux-cups-usb-printing/
apple/cups#3965
https://github.com/OpenPrinting/cups/blob/master/backend/usb-libusb.c (search by "Samsung")