Fixed docblock

Author: MarvinKlemp

src/Visitor/Deprecation/FindDeprecatedTagsVisitor.php

@@ -3,6 +3,7 @@
 namespace SensioLabs\DeprecationDetector\Visitor\Deprecation;
 
 use phpDocumentor\Reflection\DocBlock;
+use phpDocumentor\Reflection\DocBlockFactory;
 use PhpParser\Node;
 use PhpParser\NodeVisitorAbstract;
 use SensioLabs\DeprecationDetector\FileInfo\Deprecation\ClassDeprecation;
@@ -104,7 +105,8 @@ public function leaveNode(Node $node)
     protected function hasDeprecatedDocComment(Node $node)
     {
         try {
-            $docBlock = new DocBlock((string) $node->getDocComment());
+            $factory = DocBlockFactory::createInstance();
+            $docBlock = $factory->create((string) $node->getDocComment());
 
             return count($docBlock->getTagsByName('deprecated')) > 0;
         } catch (\Exception $e) {