Non-SFI mode: Implement nacl_irt_random only for nacl_helper_nonsfi.

src/nonsfi/irt/irt.gyp

 # Copyright 2014 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.
 
 {
   'includes': [
     '../../../build/common.gypi',
   ],
   'targets': [
     {
@@ skipping 12 matching lines @@
         '../../untrusted/pthread/nc_condvar.c',
         '../../untrusted/pthread/nc_mutex.c',
         '../../untrusted/pthread/nc_thread.c',
         '../../untrusted/pthread/stack_end.c',
         '../../untrusted/valgrind/dynamic_annotations.c',
         '../linux/irt_exception_handling.c',
         '../linux/linux_futex.c',
         '../linux/linux_pthread_private.c',
         '../linux/linux_sys_private.c',
         'irt_interfaces.c',
-        'irt_interfaces.h',
+        'irt_random.c',
       ],
       'dependencies': [
         '<(DEPTH)/native_client/tools.gyp:prep_toolchain',
       ],
     },
   ],
 }