Update indigo_app/static/javascript/indigo/views/document_xml_editor.js

Co-authored-by: edith <32566441+goose-life@users.noreply.github.com>

Author: longhotsummer

indigo_app/static/javascript/indigo/views/document_xml_editor.js

@@ -7,7 +7,7 @@ class AknTextEditor {
     this.root = root;
     this.document = document;
     this.onSave = onSave;
-    this.onDiscard = onDiscard
+    this.onDiscard = onDiscard;
     this.editing = false;
     this.previousText = null;
     this.xmlElement = null;