[tracker/parser] SPARQL: Fix for isiri(<foo>)

[Philip Van Hoof <pvanhoof src gnome org>]

commit d2a26785ce04a24c4c25754b186916cc76922af6
Author: Philip Van Hoof <philip codeminded be>
Date:   Thu Aug 13 11:16:30 2009 +0200

    SPARQL: Fix for isiri(<foo>)

 src/libtracker-data/tracker-sparql-query.vala |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/libtracker-data/tracker-sparql-query.vala b/src/libtracker-data/tracker-sparql-query.vala
index 6ecffcb..95ea075 100644
--- a/src/libtracker-data/tracker-sparql-query.vala
+++ b/src/libtracker-data/tracker-sparql-query.vala
@@ -1040,7 +1040,10 @@ public class Tracker.SparqlQuery : Object {
 		var new_binding = new LiteralBinding ();
 		new_binding.literal_type = DataType.INTEGER;
 
-		if (translate_expression (new StringBuilder ()) == DataType.RESOURCE) { 
+		if (current() == SparqlTokenType.IRI_REF) {
+			new_binding.literal = "1";
+			next ();
+		} else if (translate_expression (new StringBuilder ()) == DataType.RESOURCE) { 
 			new_binding.literal = "1";
 		} else {
 			new_binding.literal = "0";