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diff --git a/src/SUIT/SUIT_DataOwner.cxx b/src/SUIT/SUIT_DataOwner.cxx
index f21bbd41640ac5a0a6b6cba71a1715c0cd6d3ad4..28ceb5153309429119247351d051ca54de0ebada 100755 (executable)
--- a/src/SUIT/SUIT_DataOwner.cxx
+++ b/src/SUIT/SUIT_DataOwner.cxx
@@ -162,3 +162,11 @@ uint SUIT_DataOwnerPtrList::remove(const SUIT_DataOwnerPtr& x )
     myMap.remove(x);
   return QValueList<SUIT_DataOwnerPtr>::remove( x );
 }
+
+//====================================================================
+//! 
+//====================================================================
+bool operator<( const SUIT_DataOwnerPtr& p1, const SUIT_DataOwnerPtr& p2 )
+{
+  return p1.get()<p2.get();
+}