minor cleanup (#3723)

diff --git a/lib/ast.js b/lib/ast.js
index 99e2353..a3b8021 100644 (file)
--- a/lib/ast.js
+++ b/lib/ast.js
@@ -169,10 +169,7 @@ var AST_SimpleStatement = DEFNODE("SimpleStatement", "body", {
 }, AST_Statement);
 
 function walk_body(node, visitor) {
-    var body = node.body;
-    if (body instanceof AST_Statement) {
-        body._walk(visitor);
-    } else body.forEach(function(node) {
+    node.body.forEach(function(node) {
         node._walk(visitor);
     });
 }