Fix ODR violation by excluding the correct paths.

nss.gyp

 # 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.
 
 {
   'target_defaults': {
     'configurations': {
       'Debug': {
         'defines': [
           'DEBUG',
@@ skipping 923 matching lines @@
               # nss has some `unsigned < 0` checks.
               '-Wno-tautological-compare',
               # nss-urandom-abort.patch removed the only call to
               # rng_systemFromNoise
               '-Wno-unused-function',
             ],
           },
           'conditions': [
             ['target_arch=="x64" and OS!="win"', {
               'sources!': [
-                'nss/lib/freebl/chacha20/chacha20.c',
-                'nss/lib/freebl/poly1305/poly1305.c',
+                'nss/lib/freebl/chacha20.c',
+                'nss/lib/freebl/poly1305.c',
                 ],
             }, { # else: target_arch!="x64" or OS=="win"
               'sources!': [
-                'nss/lib/freebl/chacha20/chacha20_vec.c',
-                'nss/lib/freebl/poly1305/poly1305-donna-x64-sse2-incremental-source.c',
+                'nss/lib/freebl/chacha20_vec.c',
+                'nss/lib/freebl/poly1305-donna-x64-sse2-incremental-source.c',
                 ],
             }],
             ['OS=="ios"', {
               'defines': [
                 'XP_UNIX',
                 'DARWIN',
                 'HAVE_STRERROR',
                 'HAVE_BSD_FLOCK',
                 'SHLIB_SUFFIX=\"dylib\"',
                 'SHLIB_PREFIX=\"lib\"',
@@ skipping 14 matching lines @@
                   '-include', '<(forced_include_file)',
                 ],
               },
             }],
           ],
         },
       ],
     }],
   ],
 }