* libjack: fix include file dependency in fpmake.pp

packages/libjack/fpmake.pp

@@ -55,7 +55,7 @@ begin
     with T.Dependencies do
       begin
         AddInclude('session.inc');
-        AddInclude('session.inc');
+        AddInclude('weakmacros.inc');
         AddUnit('jack');
       end;