libgcrypt: Update to version 1.9.4

libgcrypt: Update to version 1.9.4

- Update from 1.9.3 to 1.9.4
- Update rootfile
- Changelog
   Release 1.9.4.
     2021-08-22  Jussi Kivilinna  <jussi.kivilinna@iki.fi>
	mpi/longlong.h: fix missing macro parameter parentheses.
	* mpi/longlong.h [__alpha] (umul_ppmm): Add parentheses around
	used parameters.
	[__i370__] (sdiv_qrnnd): Ditto.
	[__mips__] (umul_ppmm): Ditto.
	[__vax__] (sdiv_qrnnd): Ditto.
	tests/t-mpi-point: add NIST curve multiplication test vectors.
	* tests/t-mpi-point.c (mpi_base10_scan, check_ec_mul): New.
	(main): Call 'check_ec_mul'.
     2021-08-22  Werner Koch  <wk@gnupg.org>
	ecc: Fix bug in gcry_pk_get_param for Curve25519.
	* cipher/ecc-curves.c (_gcry_ecc_get_param_sexp): Simplify.
	* cipher/pubkey.c (map_algo): Also map EDDSA to ECC.
	* tests/curves.c (check_get_params): Add simple param lookup tests by
	for all curves.
     2021-08-22  Johannes Schindelin via Gcrypt-devel  <gcrypt-devel@gnupg.org>
	build: Fix broken mlock detection.
	* acinclude.m4 [GNUPG_CHECK_MLOCK]: Use size_t for the ptr test.
     2021-08-22  Werner Koch  <wk@gnupg.org>
	cipher: Extend convenience OID mapping table for AES.
	* cipher/rijndael.c: Add OIDs for GCM and CCM.
	Minor tweak to gcry_free.
	* src/global.c (_gcry_free): Avoid setting errno again if it did not
	change.
     2021-08-22  NIIBE Yutaka  <gniibe@fsij.org>
	random: Silence a warning for building rndjent by Clang.
	* random/jitterentropy-base.c: Conditionalize by __OPTIMIZE__.
     2021-08-22  Tianjia Zhang  <tianjia.zhang@linux.alibaba.com>
	cipher: Fix memory leaks for EdDSA.
	* cipher/ecc-eddsa.c (_gcry_ecc_eddsa_genkey): Initialize point Q when used.
     2021-08-22  NIIBE Yutaka  <gniibe@fsij.org>
	ecc: Check the input length for the point.
	* cipher/ecc-misc.c (_gcry_ecc_mont_decodepoint): Check the length
	of valid point representation.
     2021-08-22  Jussi Kivilinna  <jussi.kivilinna@iki.fi>
	hwf-x86: fix use of wrong operand type.
	* src/hwf-x86.c (get_cpuid): Use xchg for swapping %ebx back
	and forth between operand register.
     2021-05-27  NIIBE Yutaka  <gniibe@fsij.org>
	build: _DARWIN_C_SOURCE should be 1.
	* configure.ac (*-apple-darwin*): Set _DARWIN_C_SOURCE 1.
     2021-05-26  NIIBE Yutaka  <gniibe@fsij.org>
	cipher: Fix ElGamal encryption for other implementations.
	* cipher/elgamal.c (gen_k): Remove support of smaller K.
	(do_encrypt): Never use smaller K.
	(sign): Folllow the change of gen_k.

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Reviewed-by: Michael Tremer <michael.tremer@ipfire.org>