JS: Add missing function

adminer/static/editing.js

@@ -225,7 +225,7 @@ function editFields() {
 			if (!this.defaultValue) {
 				editingAddRow.call(this);
 			}
-		}
+		};
 	}
 	for (const el of qsa('[name$="[length]"]')) {
 		mixin(el, {onfocus: editingLengthFocus, oninput: editingLengthChange});

editor/static/editing.js

@@ -14,6 +14,9 @@ function helpMouseover() {
 function helpMouseout() {
 }
 
+function helpClose() {
+}
+
 /** Display typeahead
 * @param string
 * @this HTMLInputElement