mtp: Be able to set the spare bits in the network indicator
diff --git a/src/mtp_layer3.c b/src/mtp_layer3.c
index 817b51c..a7afde6 100644
--- a/src/mtp_layer3.c
+++ b/src/mtp_layer3.c
@@ -46,6 +46,7 @@
 	hdr = (struct mtp_level_3_hdr *) msg->l2h;
 	hdr->addr = MTP_ADDR(0x0, link->dpc, link->opc);
 	hdr->ni = link->ni;
+	hdr->spare = link->spare;
 	return msg;
 }