Merge branch '5.1'

* 5.1:
  [HttpClient] fix chaining promises returned by HttplugClient
  [DI] fix dumping lazy non-shared services

Author: fabpot

Dumper/PhpDumper.php

@@ -886,6 +886,7 @@ protected function {$methodName}($lazyInitialization)
         if ($asFile) {
             $code = str_replace('$this', '$container', $code);
             $code = str_replace('function () {', 'function () use ($container) {', $code);
+            $code = str_replace('function ($lazyLoad = true) {', 'function ($lazyLoad = true) use ($container) {', $code);
         }
 
         $code .= "    }\n";

Tests/Fixtures/php/services_non_shared_lazy_as_files.txt

@@ -30,7 +30,7 @@ class getNonSharedFooService extends ProjectServiceContainer
     {
         include_once $container->targetDir.''.'/Fixtures/includes/foo_lazy.php';
 
-        $container->factories['non_shared_foo'] = function ($lazyLoad = true) {
+        $container->factories['non_shared_foo'] = function ($lazyLoad = true) use ($container) {
             return new \Bar\FooLazyClass();
         };