Twig update to latest Twig 1.x legacy as per vichan

inc/lib/Twig/Node/Expression/Unary.php

@@ -3,8 +3,8 @@
 /*
  * This file is part of Twig.
  *
- * (c) 2009 Fabien Potencier
- * (c) 2009 Armin Ronacher
+ * (c) Fabien Potencier
+ * (c) Armin Ronacher
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
@@ -18,13 +18,12 @@ abstract class Twig_Node_Expression_Unary extends Twig_Node_Expression
 
     public function compile(Twig_Compiler $compiler)
     {
-        $compiler->raw('(');
+        $compiler->raw(' ');
         $this->operator($compiler);
-        $compiler
-            ->subcompile($this->getNode('node'))
-            ->raw(')')
-        ;
+        $compiler->subcompile($this->getNode('node'));
     }
 
     abstract public function operator(Twig_Compiler $compiler);
 }
+
+class_alias('Twig_Node_Expression_Unary', 'Twig\Node\Expression\Unary\AbstractUnary', false);