Add O_NONBLOCK inusb_interrupt_read to to fix communication with UPS. Fix return value of usb_control_msg. All from FreeBSD. Add missing WANTLIB while here. ok sthen@ jakemsr@
Add O_NONBLOCK inusb_interrupt_read to to fix communication with UPS. Fix return value of usb_control_msg. All from FreeBSD. Add missing WANTLIB while here. ok sthen@ jakemsr@