NaCl: add missing GYP dependancies on pthread_lib.

ppapi/ppapi_nacl_test_common.gypi

 # Copyright (c) 2013 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': [
     '../native_client/build/untrusted.gypi',
   ],
   'target_defaults': {
     # We need to override the variables in untrusted.gypi outside of a
@@ skipping 23 matching lines @@
           'nmf_glibc%': '>(nacl_glibc_out_dir)/>(nexe_target).nmf',
           'out_pnacl_newlib%': '>(nacl_pnacl_newlib_out_dir)/>(nexe_target)_newlib_pnacl.pexe',
           'nmf_pnacl_newlib%': '>(nacl_pnacl_newlib_out_dir)/>(nexe_target).nmf',
           'out_pnacl_newlib_x86_32_nonsfi_nexe': '>(nacl_pnacl_newlib_nonsfi_out_dir)/>(nexe_target)_pnacl_newlib_x32_nonsfi.nexe',
           'nmf_pnacl_newlib_nonsfi%': '>(nacl_pnacl_newlib_nonsfi_out_dir)/>(nexe_target).nmf',
         }],
       ],
     },
     'dependencies': [
        '<(DEPTH)/native_client/src/untrusted/nacl/nacl.gyp:nacl_lib',
+       '<(DEPTH)/native_client/src/untrusted/pthread/pthread.gyp:pthread_lib',
        '<(DEPTH)/ppapi/ppapi_nacl.gyp:ppapi_cpp_lib',
        '<(DEPTH)/ppapi/native_client/native_client.gyp:ppapi_lib',
     ],
     'target_conditions': [
       ['test_files!=[] and build_newlib==1', {
         'copies': [
           {
             'destination': '>(nacl_newlib_out_dir)',
             'files': [
               '>@(test_files)',
@@ skipping 172 matching lines @@
                   '>@(create_nmf_args_portable)'
                 ],
               },
             ],
           }],
         ],
       }],
     ],
   },
 }