[tracker] Use nie:DataObject for imContactAvatar instead of nfo:FileDataObject

[Ivan Frade <ifrade src gnome org>]

commit 7c8c805cd9847415f42795b3de6fc1bad1f14474
Author: Ivan Frade <ivan frade nokia com>
Date:   Thu Nov 19 18:35:12 2009 +0200

    Use nie:DataObject for imContactAvatar instead of nfo:FileDataObject
    
    Avoid concrete dependency on NFO

 data/ontologies/32-nco.ontology |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/ontologies/32-nco.ontology b/data/ontologies/32-nco.ontology
index 2306a58..b181b37 100644
--- a/data/ontologies/32-nco.ontology
+++ b/data/ontologies/32-nco.ontology
@@ -656,7 +656,7 @@ nco:imAccountAvatar a rdf:Property ;
 	rdfs:comment "The picture the user wants to show to others in this account";
 	nrl:maxCardinality 1 ;
 	rdfs:domain nco:IMAccount ;
-	rdfs:range nfo:FileDataObject .
+	rdfs:range nie:DataObject .
 
 nco:gender a rdf:Property ;
 	rdfs:label "gender" ;