update depends gnutls to version 3.8.4

depends/common/gnutls/0001-android-hackfix-fpending_c.patch

@@ -10,8 +10,8 @@
 +  return 1;
 +#else
    /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin < 1.7.34, Minix 3, Android */
-   return fp->_p - fp->_bf._base;
+   return fp_->_p - fp_->_bf._base;
 +#endif
  #elif defined __EMX__                /* emx+gcc */
-   return fp->_ptr - fp->_buffer;
+   return fp_->_ptr - fp_->_buffer;
  #elif defined __minix                /* Minix */

depends/common/gnutls/0002-hack-fix-about-rsa_compute_root_tr.patch

@@ -0,0 +1,41 @@
+--- a/lib/nettle/backport/rsa-sign-tr.c
++++ b/lib/nettle/backport/rsa-sign-tr.c
+@@ -88,10 +88,10 @@
+  * attacks which rely on faults on hardware, or even software MPI
+  * implementation. */
+ int
+-rsa_compute_root_tr(const struct rsa_public_key *pub,
+-		    const struct rsa_private_key *key,
+-		    void *random_ctx, nettle_random_func *random,
+-		    mpz_t x, const mpz_t m)
++backport_rsa_compute_root_tr(const struct rsa_public_key *pub,
++			     const struct rsa_private_key *key,
++			     void *random_ctx, nettle_random_func *random,
++			     mpz_t x, const mpz_t m)
+ {
+   int res;
+   mpz_t t, mb, xb, ri;
+@@ -142,7 +142,7 @@
+
+   nn = mpz_size (pub->n);
+
+-  res = rsa_compute_root_tr(pub, key, random_ctx, random, xz,
++  res = backport_rsa_compute_root_tr(pub, key, random_ctx, random, xz,
+ 			    mpz_roinit_n(mz, m, nn));
+
+   if (res)
+@@ -347,10 +347,10 @@
+  * in buffer copying both in case of success or error.
+  */
+ int
+-rsa_compute_root_tr(const struct rsa_public_key *pub,
+-		    const struct rsa_private_key *key,
+-		    void *random_ctx, nettle_random_func *random,
+-		    mpz_t x, const mpz_t m)
++backport_rsa_compute_root_tr(const struct rsa_public_key *pub,
++			     const struct rsa_private_key *key,
++			     void *random_ctx, nettle_random_func *random,
++			     mpz_t x, const mpz_t m)
+ {
+   TMP_GMP_DECL (l, mp_limb_t);
+   mp_size_t nn = mpz_size(pub->n);

depends/common/gnutls/gnutls.sha256

@@ -1 +1 @@
-0ea0d11a1660a1e63f960f157b197abe6d0c8cb3255be24e1fb3815930b9bdc5
+2bea4e154794f3f00180fa2a5c51fe8b005ac7a31cd58bd44cdfa7f36ebc3a9b

depends/common/gnutls/gnutls.txt

@@ -1 +1 @@
-gnutls https://www.gnupg.org/ftp/gcrypt/gnutls/v3.8/gnutls-3.8.0.tar.xz
+gnutls https://www.gnupg.org/ftp/gcrypt/gnutls/v3.8/gnutls-3.8.4.tar.xz