Update the patch file for r231825 (https://codereview.chromium.org/51333008).

patches/nss-chacha20-poly1305.patch

 Index: nss/lib/softoken/pkcs11.c
 ===================================================================
 --- nss/lib/softoken/pkcs11.c   (revision 228205)
 +++ nss/lib/softoken/pkcs11.c   (working copy)
 @@ -368,6 +368,9 @@
       {CKM_SEED_MAC,            {16, 16, CKF_SN_VR},            PR_TRUE},
       {CKM_SEED_MAC_GENERAL,    {16, 16, CKF_SN_VR},            PR_TRUE},
       {CKM_SEED_CBC_PAD,                {16, 16, CKF_EN_DE_WR_UN},      PR_TRUE},
 +     /* ------------------------- ChaCha20 Operations ---------------------- */
 +     {CKM_NSS_CHACHA20_KEY_GEN,        {32, 32, CKF_GENERATE},         PR_TRUE},
@@ skipping 958 matching lines @@
 +static uint32_t U8TO32_LE(const unsigned char *m) {
 +       uint32_t r;
 +       memcpy(&r, m, sizeof(r));
 +       return r;
 +}
 +
 +static void U32TO8_LE(unsigned char *m, uint32_t v) {
 +       memcpy(m, &v, sizeof(v));
 +}
 +#else
-+static void U8TO32_LE(const unsigned char *m) {
++static uint32_t U8TO32_LE(const unsigned char *m) {
 +       return (uint32_t)m[0] |
 +              (uint32_t)m[1] << 8 |
 +              (uint32_t)m[2] << 16 |
 +              (uint32_t)m[3] << 24;
 +}
 +
 +static void U32TO8_LE(unsigned char *m, uint32_t v) {
 +       m[0] = v;
 +       m[1] = v >> 8;
 +       m[2] = v >> 16;
@@ skipping 933 matching lines @@
 +    CK_BYTE_PTR  pIv;  /* This is the nonce. */
 +    CK_ULONG     ulIvLen;
 +    CK_BYTE_PTR  pAAD;
 +    CK_ULONG     ulAADLen;
 +    CK_ULONG     ulTagLen;
 +} CK_NSS_AEAD_PARAMS;
 +
  /*
   * NSS-defined return values
   *