usb: Use OSMO_STRLCPY where appropriate

Change-Id: I6b2a90fd8f4b042a1e38dbf8e99414a94a290375
diff --git a/src/usb/osmo_libusb.c b/src/usb/osmo_libusb.c
index 5b012b8..b10f5be 100644
--- a/src/usb/osmo_libusb.c
+++ b/src/usb/osmo_libusb.c
@@ -276,7 +276,7 @@
 				out[out_idx].vendor = dev_desc.idVendor;
 				out[out_idx].product = dev_desc.idProduct;
 				out[out_idx].addr = addr;
-				strncpy(out[out_idx].path, path, sizeof(out[out_idx].path)-1);
+				OSMO_STRLCPY_ARRAY(out[out_idx].path, path);
 				out[out_idx].path[sizeof(out[out_idx].path)-1] = '\0';
 				out[out_idx].configuration = conf_desc->bConfigurationValue;
 				out[out_idx].interface = if_desc->bInterfaceNumber;