MAGETWO-94114: Cannot refresh Captcha image in production mode

Author: DianaRusin

app/design/adminhtml/Magento/backend/etc/view.xml

@@ -23,6 +23,8 @@
         </images>
     </media>
     <exclude>
+        <item type="file">Lib::mage/captcha.js</item>
+        <item type="file">Lib::mage/captcha.min.js</item>
         <item type="file">Lib::mage/common.js</item>
         <item type="file">Lib::mage/cookies.js</item>
         <item type="file">Lib::mage/dataPost.js</item>