Show GTP version for PDP context in vty

Change-Id: Id1692e99ae0d2b78e9473f6139e6e430fcd6a607
diff --git a/src/gprs/sgsn_vty.c b/src/gprs/sgsn_vty.c
index e9ce199..c2c03b5 100644
--- a/src/gprs/sgsn_vty.c
+++ b/src/gprs/sgsn_vty.c
@@ -453,11 +453,11 @@
 		vty_out(vty, "%s  PDP Address: %s%s", pfx,
 			gprs_pdpaddr2str(pdp->lib->eua.v, pdp->lib->eua.l),
 			VTY_NEWLINE);
-		vty_out(vty, "%s  GTP Local Control(%s / TEIC: 0x%08x) ", pfx,
+		vty_out(vty, "%s  GTPv%d Local Control(%s / TEIC: 0x%08x) ", pfx, pdp->lib->version,
 			sgsn_gtp_ntoa(&pdp->lib->gsnlc), pdp->lib->teic_own);
 		vty_out(vty, "Data(%s / TEID: 0x%08x)%s",
 			sgsn_gtp_ntoa(&pdp->lib->gsnlu), pdp->lib->teid_own, VTY_NEWLINE);
-		vty_out(vty, "%s  GTP Remote Control(%s / TEIC: 0x%08x) ", pfx,
+		vty_out(vty, "%s  GTPv%d Remote Control(%s / TEIC: 0x%08x) ", pfx, pdp->lib->version,
 			sgsn_gtp_ntoa(&pdp->lib->gsnrc), pdp->lib->teic_gn);
 		vty_out(vty, "Data(%s / TEID: 0x%08x)%s",
 			sgsn_gtp_ntoa(&pdp->lib->gsnru), pdp->lib->teid_gn, VTY_NEWLINE);