[NaCl SDK] Get nacl_mounts_tests building.

native_client_sdk/src/libraries/nacl_mounts_test/kernel_intercept_test.cc

 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include <fcntl.h>
 #include <pthread.h>
-#include <unistd.h>
 
 #include <map>
 #include <string>
 
 #include "nacl_mounts/kernel_intercept.h"
 #include "nacl_mounts/kernel_proxy.h"
 #include "nacl_mounts/path.h"
 
-#define __STDC__ 1
 #include "gtest/gtest.h"
 
 class KernelProxyMock : public KernelProxy {
  public:
   KernelProxyMock() {}
   virtual ~KernelProxyMock() {}
 
   int chdir(const char* path) {
     events.push_back("chdir");
     return 0;
@@ skipping 92 matching lines @@
 };
 
 
 TEST(KernelIntercept, SanityChecks) {
   static KernelProxyMock* mock = new KernelProxyMock();
   ki_init(mock);
 
   ki_chdir("foo");
   EXPECT_EQ("chdir", mock->LastStr());
 
-  ki_getcwd("foo", 1);
+  char getcwd_buffer[] = "foo";
+  ki_getcwd(getcwd_buffer, 1);
   EXPECT_EQ("getcwd", mock->LastStr());
 
-  ki_getwd("foo");
+  char getwd_buffer[] = "foo";
+  ki_getwd(getwd_buffer);
   EXPECT_EQ("getwd", mock->LastStr());
 
   ki_dup(1);
   EXPECT_EQ("dup", mock->LastStr());
 
   ki_chmod("foo", NULL);
   EXPECT_EQ("chmod", mock->LastStr());
 
   ki_stat("foo", NULL);
   EXPECT_EQ("stat", mock->LastStr());
@@ skipping 28 matching lines @@
   ki_fsync(1);
   EXPECT_EQ("fsync", mock->LastStr());
 
   ki_isatty(1);
   EXPECT_EQ("isatty", mock->LastStr());
 
   ki_close(1);
   EXPECT_EQ("close", mock->LastStr());
 }