Add API output displaying USB cancellations.
diff --git a/api.c b/api.c
index c70446d..6c2a1b9 100644
--- a/api.c
+++ b/api.c
@@ -3148,6 +3148,7 @@ static int itemstats(struct io_data *io_data, int i, char *id, struct cgminer_st
}
root = api_add_string(root, "USB tmo", details, true);
+ root = api_add_int(root, "USB cancellations", &cgpu->usb_cancels, false);
#endif
}