Add more information on libusb failure to init telling users to check README file.
diff --git a/usbutils.c b/usbutils.c
index 94fc019..29ed536 100644
--- a/usbutils.c
+++ b/usbutils.c
@@ -1590,6 +1590,7 @@ static int _usb_init(struct cgpu_info *cgpu, struct libusb_device *dev, struct u
"USB init, open device failed, err %d, "
"you don't have privilege to access %s",
err, devstr);
+ applog(LOG_ERR, "See README file included for help");
break;
#ifdef WIN32
// Windows specific message
@@ -1598,6 +1599,7 @@ static int _usb_init(struct cgpu_info *cgpu, struct libusb_device *dev, struct u
"USB init, open device failed, err %d, "
"you need to install a WinUSB driver for %s",
err, devstr);
+ applog(LOG_ERR, "See README.txt file included for help");
break;
#endif
default: