[tracker] tracker-search-bar: Fixed some gobject NULL checking warnings

[Martyn James Russell <mr src gnome org>]

commit 06ef44b0ffe1762c509a632e5a0bcd5b1e41cf20
Author: Martyn Russell <martyn lanedo com>
Date:   Mon Nov 2 17:24:33 2009 +0000

    tracker-search-bar: Fixed some gobject NULL checking warnings

 src/tracker-search-bar/tracker-results-window.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/src/tracker-search-bar/tracker-results-window.c b/src/tracker-search-bar/tracker-results-window.c
index ac8c358..a1459ba 100644
--- a/src/tracker-search-bar/tracker-results-window.c
+++ b/src/tracker-search-bar/tracker-results-window.c
@@ -721,9 +721,11 @@ model_pixbuf_cell_data_func (GtkTreeViewColumn    *tree_column,
 				    COL_URN, &urn,
 				    -1);
 
-		/* FIXME: Should use category */
-		pixbuf = pixbuf_get (window, urn, (category & CATEGORY_IMAGE));
-		g_free (urn);
+		if (urn) {
+			/* FIXME: Should use category */
+			pixbuf = pixbuf_get (window, urn, category);
+			g_free (urn);
+		}
 
 		/* Cache it in the store */
 		gtk_list_store_set (GTK_LIST_STORE (model), iter,