[grilo] test-ui: Do nothing if no element has been selected

[Juan A. Suarez Romero <jasuarez src gnome org>]

commit 7ab229ff98adfab77252b1826952da5769842481
Author: Juan A. Suarez Romero <jasuarez igalia com>
Date:   Tue Apr 3 12:32:16 2012 +0000

    test-ui: Do nothing if no element has been selected

 tools/grilo-test-ui/main.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/tools/grilo-test-ui/main.c b/tools/grilo-test-ui/main.c
index 0e95aaf..b3808ce 100644
--- a/tools/grilo-test-ui/main.c
+++ b/tools/grilo-test-ui/main.c
@@ -859,12 +859,15 @@ static void
 browser_row_selected_cb (GtkTreeView *tree_view,
 			 gpointer user_data)
 {
-  GtkTreePath *path;
+  GtkTreePath *path = NULL;
   GtkTreeIter iter;
   GrlMediaSource *source;
   GrlMedia *content;
 
   gtk_tree_view_get_cursor (tree_view, &path, NULL);
+  if (!path) {
+    return;
+  }
   gtk_tree_model_get_iter (view->browser_model, &iter, path);
   gtk_tree_model_get (view->browser_model,
 		      &iter,