[tracker] tracker: Check error on tracker_sparql_cursor_next() call

[Carlos Garnacho <carlosg src gnome org>]

commit cd132a10a07c1549e1c837fb50c2d9b8d385dfd7
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Dec 14 20:04:44 2016 +0100

    tracker: Check error on tracker_sparql_cursor_next() call
    
    And make it clear we poke the GError contents if there is one,
    although next() isn't really expected to fail on a "SELECT
    COUNT..." query.

 src/tracker/tracker-status.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/tracker/tracker-status.c b/src/tracker/tracker-status.c
index 8364dd2..b963eb4 100644
--- a/src/tracker/tracker-status.c
+++ b/src/tracker/tracker-status.c
@@ -519,7 +519,10 @@ get_file_and_folder_count (int *files,
 
                cursor = tracker_sparql_connection_query (connection, query, NULL, &error);
 
-               if (error || !tracker_sparql_cursor_next (cursor, NULL, NULL)) {
+               if (cursor)
+                       tracker_sparql_cursor_next (cursor, NULL, &error);
+
+               if (error) {
                        g_printerr ("%s, %s\n",
                                    _("Could not get basic status for Tracker"),
                                    error->message);