[gnome-photos] query-builder: Add "?urn a rdfs:Resource" to count_query's WHERE clause

[Debarshi Ray <debarshir src gnome org>]

commit 6904ae2bbfa0a83e3c4036c34b1c85e7f3f14ba2
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Aug 14 01:19:09 2012 +0200

    query-builder: Add "?urn a rdfs:Resource" to count_query's WHERE clause
    
    This used to be a bug in gnome-documents.

 src/photos-query-builder.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/photos-query-builder.c b/src/photos-query-builder.c
index 229fc8c..8ed4c57 100644
--- a/src/photos-query-builder.c
+++ b/src/photos-query-builder.c
@@ -157,7 +157,7 @@ photos_query_builder_count_query (void)
 
   filter = photos_query_builder_filter ();
   optional = photos_query_builder_optional ();
-  sparql = g_strconcat ("SELECT DISTINCT COUNT(?urn) WHERE { ", optional, filter, " }", NULL);
+  sparql = g_strconcat ("SELECT DISTINCT COUNT(?urn) WHERE { ?urn a rdfs:Resource ", optional, filter, " }", NULL);
 
   g_free (optional);
   g_free (filter);