MAGETWO-56954: Shopping cart page - Reordered items count is not getting updated at mini cart

- Merge commit

app/code/Magento/Sales/view/frontend/templates/order/history.phtml

@@ -42,7 +42,10 @@
                                 <span><?php /* @escapeNotVerified */ echo __('View Order') ?></span>
                             </a>
                             <?php if ($this->helper('Magento\Sales\Helper\Reorder')->canReorder($_order->getEntityId())) : ?>
-                                <a href="<?php /* @escapeNotVerified */ echo $block->getReorderUrl($_order) ?>" class="action order">
+                                <a href="#" data-post='<?php /* @escapeNotVerified */ echo
+                                $this->helper(\Magento\Framework\Data\Helper\PostHelper::class)
+                                    ->getPostData($block->getReorderUrl($_order))
+                                ?>' class="action order">
                                     <span><?php /* @escapeNotVerified */ echo __('Reorder') ?></span>
                                 </a>
                             <?php endif ?>

app/code/Magento/Sales/view/frontend/templates/order/info/buttons.phtml

@@ -10,7 +10,10 @@
 <div class="actions">
     <?php  $_order = $block->getOrder() ?>
     <?php if ($this->helper('Magento\Sales\Helper\Reorder')->canReorder($_order->getEntityId())) : ?>
-        <a class="action reorder" href="<?php /* @escapeNotVerified */ echo $block->getReorderUrl($_order) ?>">
+        <a href="#" data-post='<?php /* @escapeNotVerified */ echo
+        $this->helper(\Magento\Framework\Data\Helper\PostHelper::class)
+            ->getPostData($block->getReorderUrl($_order))
+        ?>' class="action order">
             <span><?php /* @escapeNotVerified */ echo __('Reorder') ?></span>
         </a>
     <?php endif ?>

app/code/Magento/Sales/view/frontend/templates/order/recent.phtml

@@ -46,7 +46,10 @@
                                     <span><?php /* @escapeNotVerified */ echo __('View Order') ?></span>
                                 </a>
                                 <?php if ($this->helper('Magento\Sales\Helper\Reorder')->canReorder($_order->getEntityId())) : ?>
-                                    <a href="<?php /* @escapeNotVerified */ echo $block->getReorderUrl($_order) ?>" class="action order">
+                                    <a href="#" data-post='<?php /* @escapeNotVerified */ echo
+                                    $this->helper(\Magento\Framework\Data\Helper\PostHelper::class)
+                                        ->getPostData($block->getReorderUrl($_order))
+                                    ?>' class="action order">
                                         <span><?php /* @escapeNotVerified */ echo __('Reorder') ?></span>
                                     </a>
                                 <?php endif ?>