#25611: Static test fix.

Author: engcom-Foxtrot

app/code/Magento/Ui/view/base/web/js/grid/columns/image-preview.js

@@ -84,10 +84,12 @@ define([
          * @param {Object} record
          */
         prev: function (record) {
+            var recordToShow;
+
             if (record._rowIndex === 0) {
                 return;
             }
-            var recordToShow = this.getRecord(record._rowIndex - 1);
+            recordToShow = this.getRecord(record._rowIndex - 1);
 
             recordToShow.rowNumber = record.firstInRow ? record.rowNumber - 1 : record.rowNumber;
             this.show(recordToShow);