No alt tag value in Recently Viewed Products block (#1920)

This PR solves the issue reported here #1286

Author: addison74

app/design/frontend/rwd/default/template/reports/product_viewed.phtml

@@ -35,7 +35,7 @@
         <?php foreach ($_products as $_item): ?>
             <li class="item">
                 <a href="<?php echo $this->getProductUrl($_item) ?>">
-                    <span class="product-image"><img src="<?php echo $this->helper('catalog/image')->init($_item, 'thumbnail')->resize(50, 50)->setWatermarkSize('30x10'); ?>" width="50" height="50" alt="<?php echo $this->escapeHtml($this->getProductName()) ?>" /></span>
+                    <span class="product-image"><img src="<?php echo $this->helper('catalog/image')->init($_item, 'thumbnail')->resize(50, 50)->setWatermarkSize('30x10'); ?>" width="50" height="50" alt="<?php echo $this->escapeHtml($_item->getName()) ?>" /></span>
                 </a>
                 <div class="product-details">
                     <p class="product-name">