[tracker] examples: Drop unneeded g_object_unref() call

[Carlos Garnacho <carlosg src gnome org>]

commit 8a89d4c893f53dcfacf0cad6d838fca7c795142d
Author: Carlos Garnacho <carlosg gnome org>
Date:   Mon Jan 30 12:07:38 2017 +0100

    examples: Drop unneeded g_object_unref() call
    
    Another one.
    
    Coverity ID: 1188470

 examples/libtracker-sparql/async-connection.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/examples/libtracker-sparql/async-connection.c b/examples/libtracker-sparql/async-connection.c
index c18608c..9f0b103 100644
--- a/examples/libtracker-sparql/async-connection.c
+++ b/examples/libtracker-sparql/async-connection.c
@@ -75,10 +75,6 @@ cursor_cb (GObject      *object,
        } else {
                g_critical ("Could not run cursor next: %s", error->message);
 
-               if (cursor) {
-                       g_object_unref (cursor);
-               }
-
                g_error_free (error);
                g_main_loop_quit (md->loop);
        }