Added necessary indentations

Author: divyajyothi5321

app/design/frontend/Magento/luma/Magento_Newsletter/web/css/source/_module.less

@@ -84,9 +84,9 @@
 
         .form.subscribe {
             > .field,
-		    > .actions {
-		        float: left;
-		    }
+            > .actions {
+                float: left;
+            }
         }
     }
 }