Fixed whitespace violations

Author: Graham Wharton

lib/internal/Magento/Framework/Mail/Template/TransportBuilder.php

@@ -172,7 +172,7 @@ public function setReplyTo($email, $name = null)
 
     /**
      * Set mail from address
-     * 
+     *
      * @deprecated This function sets the from address for the first store only.
      * new function setFromByStore introduced to allow setting of from address
      * based on store.