slapos_pdm: Fix missing parameter

master/bt5/slapos_pdm/SkinTemplateItem/portal_skins/slapos_pdm/UpgradeDecision_init.xml

@@ -68,7 +68,7 @@ context.setReference(reference)\n
         </item>
         <item>
             <key> <string>_params</string> </key>
-            <value> <string></string> </value>
+            <value> <string>**kw</string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>

master/bt5/slapos_pdm/bt/revision

-20
\ No newline at end of file
+21
\ No newline at end of file