Reuse existing translation for the "Save" button in the Edit comment form.

news/170.bugfix

@@ -0,0 +1,2 @@
+Reuse existing translation for the "Save" button in the Edit comment form.
+[vincentfretin]

plone/app/discussion/browser/comment.py

@@ -75,7 +75,7 @@ class EditCommentForm(CommentForm):
             target = portal_state.portal_url()
         self.request.response.redirect(target)
 
-    @button.buttonAndHandler(_(u'edit_comment_form_button',
+    @button.buttonAndHandler(_(u'label_save',
                                default=u'Save'), name='comment')
     def handleComment(self, action):