Bug 303954 - Incorrect display of non-ASCII characters in template name of "Reply with template" filter

patch by Magnus Melin <mkmelin+mozilla@iki.fi>
r+sr=bienvenu

mailnews/base/search/resources/content/searchWidgets.xml

@@ -475,8 +475,8 @@
                 var header = enumerator.getNext();
                 if (header instanceof Components.interfaces.nsIMsgDBHdr)
                 {
-                  var msgTemplateUri = msgFolder.URI + "?messageId=" + header.messageId + '&subject=' + header.subject;
-                  var newItem = document.getAnonymousNodes(this)[0].appendItem(header.subject, msgTemplateUri);
+                  var msgTemplateUri = msgFolder.URI + "?messageId=" + header.messageId + '&subject=' + header.mime2DecodedSubject;
+                  var newItem = document.getAnonymousNodes(this)[0].appendItem(header.mime2DecodedSubject, msgTemplateUri);
                 }
               }
             }