Index: ptlib-2.6.7/include/ptlib/array.h
===================================================================
--- ptlib-2.6.7.orig/include/ptlib/array.h
+++ ptlib-2.6.7/include/ptlib/array.h
@@ -523,7 +523,7 @@ template <class T> class PScalarArray :
       T t;
       stream >> t;
       if (!stream.fail())
-        SetAt(index, t);
+        this->SetAt(index, t);
     }
 };