[gnome-shell] NetworkMenu: don't pass NULL to nm_utils_ssid_to_utf8

[Dan Winship <danw src gnome org>]

commit 6a27d5ed804c6310478710301a83ec161d25d509
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Thu Apr 7 19:13:28 2011 +0200

    NetworkMenu: don't pass NULL to nm_utils_ssid_to_utf8
    
    It expects an Array or a ByteArray, and gjs throws in that case.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=647040

 js/ui/status/network.js |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/status/network.js b/js/ui/status/network.js
index a5b8a14..48a7a16 100644
--- a/js/ui/status/network.js
+++ b/js/ui/status/network.js
@@ -101,8 +101,13 @@ NMNetworkMenuItem.prototype = {
         accessPoints = sortAccessPoints(accessPoints);
         this.bestAP = accessPoints[0];
 
-        let ssid = this.bestAP.get_ssid();
-        title = title || NetworkManager.utils_ssid_to_utf8(ssid) || _("<unknown>");
+        if (!title) {
+            let ssid = this.bestAP.get_ssid();
+            if (ssid)
+                title = NetworkManager.utils_ssid_to_utf8(ssid);
+            if (!title)
+                title = _("<unknown>");
+        }
 
         this._label = new St.Label({ text: title });
         this.addActor(this._label);