Update to NSPR 4.9.5 Beta 2, part 2: actual changes.

mozilla/nsprpub/pr/src/md/prosdep.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 "prbit.h"
 #include "prsystem.h"
 
 #ifdef XP_UNIX
 #include <unistd.h>
 #endif
-#ifdef SUNOS4
-#include "md/sunos4.h"
-#endif
 #ifdef _WIN32
 #include <windows.h>
 #endif 
 #ifdef XP_BEOS
 #include <OS.h>
 #endif
 
 PRInt32 _pr_pageShift;
 PRInt32 _pr_pageSize;
 
 /*
 ** Get system page size
 */
 static void GetPageSize(void)
 {
         PRInt32 pageSize;
 
     /* Get page size */
 #ifdef XP_UNIX
-#if defined SUNOS4 || defined BSDI || defined AIX \
+#if defined BSDI || defined AIX \
         || defined LINUX || defined __GNU__ || defined __GLIBC__ \
         || defined FREEBSD || defined NETBSD || defined OPENBSD \
-        || defined DARWIN || defined NEXTSTEP || defined SYMBIAN
+        || defined DARWIN || defined SYMBIAN
     _pr_pageSize = getpagesize();
 #elif defined(HPUX)
     /* I have no idea. Don't get me started. --Rob */
     _pr_pageSize = sysconf(_SC_PAGE_SIZE);
 #else
     _pr_pageSize = sysconf(_SC_PAGESIZE);
 #endif
 #endif /* XP_UNIX */
 
 #ifdef XP_BEOS
@@ skipping 22 matching lines @@
     return _pr_pageShift;
 }
 
 PR_IMPLEMENT(PRInt32) PR_GetPageSize(void)
 {
     if (!_pr_pageSize) {
         GetPageSize();
     }
     return _pr_pageSize;
 }