ns2: Properly indent VTY output

If multiple objects are printed in the VTY, only the first line of each
object should be on the first character of the line, all others should
be indented.  With  this patch the "snow ns entities" output becomes
much more readable:

OsmoGbProxy> show ns entities
NSEI 00102: UDP, DEAD
 FSM Instance Name: 'GPRS-NS2-SNS-BSS(NSE00102-SNS)[0x6120000018a0]', ID: 'NSE00102-SNS'
  Log-Level: 'DEBUG', State: 'SIZE'
  Timer: 1
 Maximum number of remote  NS-VCs: 8, IPv4 Endpoints: 4, IPv6 Endpoints: 0
 NSVCI none: UNCONFIGURED DYNAMIC data_weight=1 sig_weight=1 udp)[127.0.0.1]:23000<>[127.0.0.11]:8888
NSEI 00101: UDP, DEAD
 FSM Instance Name: 'GPRS-NS2-SNS-BSS(NSE00101-SNS)[0x6120000015a0]', ID: 'NSE00101-SNS'
  Log-Level: 'DEBUG', State: 'SIZE'
  Timer: 1
 Maximum number of remote  NS-VCs: 8, IPv4 Endpoints: 4, IPv6 Endpoints: 0
 NSVCI none: UNCONFIGURED DYNAMIC data_weight=1 sig_weight=1 udp)[127.0.0.1]:23000<>[127.0.0.10]:7777

Change-Id: Id1b4c80a6caef410076a68b4301adaa01ba7e57a
diff --git a/src/gb/gprs_ns2_vty2.c b/src/gb/gprs_ns2_vty2.c
index 94302ef..db59717 100644
--- a/src/gb/gprs_ns2_vty2.c
+++ b/src/gb/gprs_ns2_vty2.c
@@ -1349,7 +1349,7 @@
 	vty_out(vty, "NSEI %05u: %s, %s%s", nse->nsei, gprs_ns2_lltype_str(nse->ll),
 		nse->alive ? "ALIVE" : "DEAD", VTY_NEWLINE);
 
-	gprs_ns2_sns_dump_vty(vty, nse, stats);
+	gprs_ns2_sns_dump_vty(vty, " ", nse, stats);
 	llist_for_each_entry(nsvc, &nse->nsvc, list) {
 		if (persistent_only) {
 			if (nsvc->persistent)