[nautilus] tracker: fix an error with latest Tracker

[Cosimo Cecchi <cosimoc src gnome org>]

commit 836975a11a3658f971b1747afe6244c675177c40
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Fri Mar 1 17:35:46 2013 -0500

    tracker: fix an error with latest Tracker
    
    We name some query column variable results with "AS ?foo", but Tracker
    now errors out on those clauses, not returning any result.
    Since we don't need them, just remove them from the query string.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=693195

 .../nautilus-search-engine-tracker.c               |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libnautilus-private/nautilus-search-engine-tracker.c 
b/libnautilus-private/nautilus-search-engine-tracker.c
index b791620..4fbeb38 100644
--- a/libnautilus-private/nautilus-search-engine-tracker.c
+++ b/libnautilus-private/nautilus-search-engine-tracker.c
@@ -261,7 +261,7 @@ nautilus_search_engine_tracker_start (NautilusSearchProvider *provider)
 
        mime_count = g_list_length (mimetypes);
 
-       sparql = g_string_new ("SELECT DISTINCT nie:url(?urn) fts:rank(?urn) 
tracker:coalesce(nfo:fileLastModified(?urn), nie:contentLastModified(?urn)) AS ?mtime 
tracker:coalesce(nfo:fileLastAccessed(?urn), nie:contentAccessed(?urn)) AS ?atime "
+       sparql = g_string_new ("SELECT DISTINCT nie:url(?urn) fts:rank(?urn) 
tracker:coalesce(nfo:fileLastModified(?urn), nie:contentLastModified(?urn)) 
tracker:coalesce(nfo:fileLastAccessed(?urn), nie:contentAccessed(?urn)) "
                               "WHERE {"
                               "  ?urn a nfo:FileDataObject ;"
                               "  tracker:available true ; ");