Backend: link to RSS only if they are enabled (#3997)

Author: fballiano

app/code/core/Mage/Adminhtml/Block/Review/Grid.php

@@ -197,7 +197,12 @@ protected function _prepareColumns()
             ]
         );
 
-        $this->addRssList('rss/catalog/review', Mage::helper('catalog')->__('Pending Reviews RSS'));
+        if (Mage::helper('catalog')->isModuleEnabled('Mage_Rss') &&
+            Mage::helper('rss')->isRssEnabled() &&
+            Mage::getStoreConfigFlag('rss/catalog/review')
+        ) {
+            $this->addRssList('rss/catalog/review', Mage::helper('catalog')->__('Pending Reviews RSS'));
+        }
 
         return parent::_prepareColumns();
     }

app/code/core/Mage/Adminhtml/Block/Sales/Order/Grid.php

@@ -140,7 +140,13 @@ protected function _prepareColumns()
                 ]
             );
         }
-        $this->addRssList('rss/order/new', Mage::helper('sales')->__('New Order RSS'));
+
+        if (Mage::helper('catalog')->isModuleEnabled('Mage_Rss') &&
+            Mage::helper('rss')->isRssEnabled() &&
+            Mage::getStoreConfigFlag('rss/order/new')
+        ) {
+            $this->addRssList('rss/order/new', Mage::helper('sales')->__('New Order RSS'));
+        }
 
         $this->addExportType('*/*/exportCsv', Mage::helper('sales')->__('CSV'));
         $this->addExportType('*/*/exportExcel', Mage::helper('sales')->__('Excel XML'));