Update to NSPR 4.10.2.

nspr/pr/src/pthreads/ptio.c

 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /* 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/. */
 
 /*
 ** File:   ptio.c
 ** Descritpion:  Implemenation of I/O methods for pthreads
 */
 
@@ skipping 4568 matching lines @@
 #endif
     return fd;
 }  /* PR_ImportTCPSocket */
 
 PR_IMPLEMENT(PRFileDesc*) PR_ImportUDPSocket(PRInt32 osfd)
 {
     PRFileDesc *fd;
 
     if (!_pr_initialized) _PR_ImplicitInitialization();
     fd = pt_SetMethods(osfd, PR_DESC_SOCKET_UDP, PR_FALSE, PR_TRUE);
-    if (NULL != fd) close(osfd);
+    if (NULL == fd) close(osfd);
     return fd;
 }  /* PR_ImportUDPSocket */
 
 PR_IMPLEMENT(PRFileDesc*) PR_CreateSocketPollFd(PRInt32 osfd)
 {
     PRFileDesc *fd;
 
     if (!_pr_initialized) _PR_ImplicitInitialization();
 
     fd = _PR_Getfd();
@@ skipping 401 matching lines @@
 
 PR_IMPLEMENT(PRStatus) PR_GetFileInfo64UTF16(const PRUnichar *fn, PRFileInfo64 *info)
 {
     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
     return PR_FAILURE;
 }
 /* ================ UTF16 Interfaces ================================ */
 #endif /* MOZ_UNICODE */
 
 /* ptio.c */