Cleanup: Use Bit('build_ARCH') instead of Bit('target_ARCH')

src/trusted/sel_universal/build.scons

 # -*- python -*-
 # Copyright (c) 2011 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('env')
 
 
 # NOTE: Probably because of GetPluginDir()
-if env.Bit('linux') and env.Bit('target_x86'):
+if env.Bit('linux') and env.Bit('build_x86'):
   env.Append(LIBS=['dl'])
 
 
 # NOTE: we need Cocoa because of the GetPluginDir() implementation
 #       on mac (nonnacl_util_c)
 env.ComponentProgram('sel_universal',
                      ['parsing.cc',
                       'pnacl_emu_coordinator.cc',
                       'pnacl_emu_handler.cc',
                       'pnacl_emu_stream.cc',
@@ skipping 11 matching lines @@
                                 'nrd_xfer',
                                 'nacl_base',
                                 'platform',
                                 'gio',
                                 'imc',
                                 'env_cleanser',
                                 'nacl_error_code',
                                 ],
                     FRAMEWORKS=['Cocoa'],
                     )