req_wrap: only grab domain object if in use

src/req_wrap.h

@@ -23,6 +23,7 @@
 #define REQ_WRAP_H_
 
 #include "ngx-queue.h"
+#include "node_internals.h"
 
 namespace node {
 
@@ -38,6 +39,7 @@ class ReqWrap {
     v8::HandleScope scope(node_isolate);
     object_ = v8::Persistent<v8::Object>::New(node_isolate, v8::Object::New());
 
+    if (using_domains) {
       v8::Local<v8::Value> domain = v8::Context::GetCurrent()
                                     ->Global()
                                     ->Get(process_symbol)
@@ -45,9 +47,9 @@ class ReqWrap {
                                     ->Get(domain_symbol);
 
       if (!domain->IsUndefined()) {
-      // fprintf(stderr, "setting domain on ReqWrap\n");
         object_->Set(domain_symbol, domain);
       }
+    }
 
     ngx_queue_insert_tail(&req_wrap_queue, &req_wrap_queue_);
   }