examples: Adjust IP address of example config

Change-Id: Ide4f1592c314f7a764bef30b76bdb21ce0fb6dc2
diff --git a/doc/examples/osmo-hnbgw.cfg b/doc/examples/osmo-hnbgw.cfg
index cc28edd..cba7f51 100644
--- a/doc/examples/osmo-hnbgw.cfg
+++ b/doc/examples/osmo-hnbgw.cfg
@@ -21,5 +21,5 @@
  logging level lstats notice
 hnbgw
  iuh
-  local-ip 192.168.0.132
+  local-ip 10.23.24.1
   hnbap-allow-tmsi 1