[folks] tracker: Handle GLib.Error from Tracker.SparqlConnection.update_async()

[Philip Withnall <pwithnall src gnome org>]

commit 77585ebbcfb3a67404e91e36ca690b0252022902
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Mon Apr 27 16:58:41 2015 +0100

    tracker: Handle GLib.Error from Tracker.SparqlConnection.update_async()
    
    This seems to have been added in recent versions of Tracker, or just
    exposed in the introspected bindings.

 backends/tracker/lib/trf-persona-store.vala |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/backends/tracker/lib/trf-persona-store.vala b/backends/tracker/lib/trf-persona-store.vala
index dc570d0..0ee8383 100644
--- a/backends/tracker/lib/trf-persona-store.vala
+++ b/backends/tracker/lib/trf-persona-store.vala
@@ -2622,6 +2622,11 @@ public class Trf.PersonaStore : Folks.PersonaStore
           warning ("[%s] DBus error: %s",
               caller, e3.message);
         }
+      catch (GLib.Error e4)
+        {
+          warning ("[%s] GLib error: %s",
+              caller, e4.message);
+        }
 
       return ret;
     }