[dart:io] Remove double-close from recursive directory delete

runtime/bin/directory_fuchsia.cc

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
 #if defined(HOST_OS_FUCHSIA)
 
 #include "bin/directory.h"
 
 #include <dirent.h>          // NOLINT
@@ skipping 395 matching lines @@
     // implementations (including the glibc implementation), concurrent calls to
     // readdir(3) that specify different directory streams are thread-safe."
     dirent* entry = readdir(dir_pointer);
     if (entry == NULL) {
       // Failed to read next directory entry.
       if (errno != 0) {
         break;
       }
       // End of directory.
       int status = NO_RETRY_EXPECTED(closedir(dir_pointer));
-      FDUtils::SaveErrorAndClose(fd);
       if (status != 0) {
         return false;
       }
       status =
           NO_RETRY_EXPECTED(unlinkat(dirfd, path->AsString(), AT_REMOVEDIR));
       return status == 0;
     }
     bool ok = false;
     switch (entry->d_type) {
       case DT_DIR:
@@ skipping 40 matching lines @@
     }
     if (!ok) {
       break;
     }
     path->Reset(path_length);
   }
   // Only happens if an error.
   ASSERT(errno != 0);
   int err = errno;
   VOID_NO_RETRY_EXPECTED(closedir(dir_pointer));
-  FDUtils::SaveErrorAndClose(fd);
   errno = err;
   return false;
 }
 
 bool Directory::Delete(Namespace* namespc,
                        const char* dir_name,
                        bool recursive) {
   NamespaceScope ns(namespc, dir_name);
   if (!recursive) {
     if ((File::GetType(namespc, dir_name, false) == File::kIsLink) &&
@@ skipping 20 matching lines @@
   NamespaceScope oldns(namespc, old_path);
   NamespaceScope newns(namespc, new_path);
   return (NO_RETRY_EXPECTED(renameat(oldns.fd(), oldns.path(), newns.fd(),
                                      newns.path())) == 0);
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(HOST_OS_FUCHSIA)