[TD]fix hatch fail due to missing translate method

src/Mod/TechDraw/App/DrawHatchPy.xml

@@ -13,6 +13,13 @@
       <Author Licence="LGPL" Name="WandererFan" EMail="wandererfan@gmail.com" />
       <UserDocu>Feature for creating and manipulating Technical Drawing Hatch areas</UserDocu>
     </Documentation>
+    <Methode Name="translateLabel">
+      <Documentation>
+        <UserDocu>translateLabel(translationContext, objectBaseName, objectUniqueName).
+         No return value.  Replace the current label with a translated version where possible.
+        </UserDocu>
+      </Documentation>
+    </Methode>
     <CustomAttributes />
   </PythonExport>
 </GenerateModel>