Update to NSPR 4.10.2.

nspr/pr/src/io/prsocket.c

 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "primpl.h"
 
 #include <string.h>
 
 /************************************************************************/
@@ skipping 270 matching lines @@
 
     err = _MD_unix_get_nonblocking_connect_error(osfd);
     if (err != 0) {
         _PR_MD_MAP_CONNECT_ERROR(err);
         return PR_FAILURE;
     }
     return PR_SUCCESS;
 
 #elif defined(WIN32) || defined(WIN16)
 
-#if defined(WIN32)
-    /*
-     * The sleep circumvents a bug in Win32 WinSock.
-     * See Microsoft Knowledge Base article ID: Q165989.
-     */
-    Sleep(0);
-#endif /* WIN32 */
-
     if (out_flags & PR_POLL_EXCEPT) {
         int len = sizeof(err);
         if (getsockopt(osfd, (int)SOL_SOCKET, SO_ERROR, (char *) &err, &len)
                 == SOCKET_ERROR) {
             _PR_MD_MAP_GETSOCKOPT_ERROR(WSAGetLastError());
             return PR_FAILURE;
         }
         if (err != 0) {
             _PR_MD_MAP_CONNECT_ERROR(err);
         } else {
@@ skipping 1484 matching lines @@
     PR_DELETE(poll);
 
     return npds;
 out_of_memory:
     PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
     return -1;    
 
 #endif /* !defined(NEED_SELECT) */
     
 }