Code style fixes

Author: ldusan84

app/code/Magento/Rss/Model/Rss.php

@@ -103,7 +103,7 @@ public function setDataProvider(DataProviderInterface $dataProvider)
     public function createRssXml()
     {
         $feed = $this->feedFactory->create(
-            $this->getFeeds(), 
+            $this->getFeeds(),
             FeedFactoryInterface::FORMAT_RSS
         );
 

lib/internal/Magento/Framework/App/Feed.php

@@ -18,24 +18,24 @@ public function __construct(
         \Zend_Feed $feed,
         array $data
     ) {
-       $this->feed = $feed;
-       $this->data = $data;
+        $this->feed = $feed;
+        $this->data = $data;
     }
 
     /**
      * Returns the formatted feed content
      *
      * @param string $format
-     * 
+     *
      * @return string
      */
     public function getFormattedContentAs(
         $format = self::FORMAT_XML
     ) {
         $feed = $this->feed::importArray(
-            $this->data, 
+            $this->data,
             FeedFactoryInterface::FORMAT_RSS
         );
         return $this->feed->saveXml();
     }
-}
+}

lib/internal/Magento/Framework/App/FeedFactory.php

@@ -48,7 +48,7 @@ public function __construct(
      * {@inheritdoc}
      */
     public function create(
-        array $data, 
+        array $data,
         $format = FeedFactoryInterface::FORMAT_RSS
     ) {
         if (!isset($this->formats[$format])) {
@@ -62,7 +62,7 @@ public function create(
             throw new \Magento\Framework\Exception\InputException(
                 __('Wrong format handler type'),
                 $e
-            );   
+            );
         }
 
         try {

lib/internal/Magento/Framework/App/FeedFactoryInterface.php

@@ -17,15 +17,15 @@ interface FeedFactoryInterface
 
     /**
      * Returns FeedInterface object from a custom array
-     * 
+     *
      * @throws \Magento\Framework\Exception\InputException
      * @throws \Magento\Framework\Exception\RuntimeException
      * @param  array  $data
      * @param  string $format
      * @return FeedInterface
      */
     public function create(
-        array $data, 
+        array $data,
         $format = self::FORMAT_RSS
     );
 }

lib/internal/Magento/Framework/App/FeedInterface.php

@@ -10,14 +10,14 @@
  */
 interface FeedInterface
 {
-	/**
+    /**
      * XML feed output format
      */
     const FORMAT_XML = 'xml';
 
     /**
      * @param string $format
-     * 
+     *
      * @return string
      */
     public function getFormattedContentAs(