[MIPS] Small updates after LLVM merge

SConstruct

 #! -*- python -*-
 # Copyright (c) 2012 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import atexit
 import os
 import platform
 import re
 import subprocess
@@ skipping 2703 matching lines @@
       print 'Not installing', dest
       # Replace build commands with no-ops
     env.Replace(CC='true', CXX='true', LD='true',
                 AR='true', RANLIB='true', INSTALL=FakeInstall)
   else:
     tc_dir = os.path.join(os.getcwd(), 'toolchain', 'linux_mips-trusted',
                           'bin')
     if not which(os.path.join(tc_dir, 'mipsel-linux-gnu-gcc')):
       print ("\nERRROR: MIPS trusted TC is not installed - try running:\n"
              "tools/trusted_cross_toolchains/trusted-toolchain-creator"
-             ".mipsel.squeeze.sh trusted_sdk")
+             ".mipsel.squeeze.sh nacl_sdk")
       sys.exit(-1)
     env.Replace(CC=os.path.join(tc_dir, 'mipsel-linux-gnu-gcc'),
                 CXX=os.path.join(tc_dir, 'mipsel-linux-gnu-g++'),
                 LD=os.path.join(tc_dir, 'mipsel-linux-gnu-ld'),
                 ASFLAGS=[],
                 LIBPATH=['${LIB_DIR}',
                          jail + '/sysroot/usr/lib'],
                 LINKFLAGS=['-T',
                     os.path.join(jail, 'ld_script_mips_trusted')]
                 )
@@ skipping 1087 matching lines @@
   nacl_env.ValidateSdk()
 
 if BROKEN_TEST_COUNT > 0:
   msg = "There are %d broken tests." % BROKEN_TEST_COUNT
   if GetOption('brief_comstr'):
     msg += " Add --verbose to the command line for more information."
   print msg
 
 # separate warnings from actual build output
 Banner('B U I L D - O U T P U T:')