Fix directory listing to actually have the semantics intended.

runtime/bin/directory_win.cc

 // Copyright (c) 2012, 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 "bin/directory.h"
 
 #include <errno.h>
 #include <sys/stat.h>
 
 #include "bin/platform.h"
@@ skipping 147 matching lines @@
     free(path);
     return false;
   }
 
   bool success = HandleEntry(&find_file_data,
                              path,
                              path_length,
                              recursive,
                              listing);
 
-  while ((FindNextFile(find_handle, &find_file_data) != 0) && success) {
-    success = success && HandleEntry(&find_file_data,
-                                     path,
-                                     path_length,
-                                     recursive,
-                                     listing);
+  while ((FindNextFile(find_handle, &find_file_data) != 0)) {
+    success = HandleEntry(&find_file_data,
+                          path,
+                          path_length,
+                          recursive,
+                          listing) && success;
   }
 
   if (GetLastError() != ERROR_NO_MORE_FILES) {
     success = false;
     PostError(listing, dir_name);
   }
 
   if (FindClose(find_handle) == 0) {
     success = false;
     PostError(listing, dir_name);
@@ skipping 191 matching lines @@
 }
 
 
 bool Directory::Delete(const char* dir_name, bool recursive) {
   if (!recursive) {
     return (RemoveDirectory(dir_name) != 0);
   } else {
     return DeleteRecursively(dir_name);
   }
 }