Merge lp:~aacid/unity-greeter/test_make_layout_list_minifix into lp:unity-greeter

[Albert Astals Cid]

Make test_make_layout_list account for null strings which we are actually passing

This doesn't matter in the running code, but for tests (glib test, it asserts and makes the test fail)

=== modified file 'src/user-list.vala'
--- src/user-list.vala	2012-08-28 13:38:05 +0000
+++ src/user-list.vala	2012-08-30 13:20:36 +0000
@@ -1245,16 +1245,19 @@
         return true;
     }
 
-    private List <LightDM.Layout> test_make_layout_list (string names)
+    private List <LightDM.Layout> test_make_layout_list (string? names)
     {
-        var names_split = names.split (";");
-
         var layouts = new List <LightDM.Layout> ();
-        foreach (var name in names_split)
+
+        if (names != null)
         {
-            var layout = UnityGreeter.get_layout_by_name (name);
-            if (layout != null)
-                layouts.append (layout);
+            var names_split = names.split (";");
+            foreach (var name in names_split)
+            {
+                var layout = UnityGreeter.get_layout_by_name (name);
+                if (layout != null)
+                    layouts.append (layout);
+            }
         }
 
         return layouts;