libssh: Fix build with clang16

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/libssh/libssh/0001-libgcrypt.c-Fix-prototype-of-des3_encrypt-des3_decry.patch

@@ -0,0 +1,46 @@
+From 0cade4573334571055127a2d4fe3641e2397948d Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Mon, 20 Mar 2023 21:59:19 -0700
+Subject: [PATCH] libgcrypt.c: Fix prototype of des3_encrypt/des3_decrypt
+
+This is to match the prototype for callback functions which are now emitted as
+errors by clang16
+
+Fixes
+
+TOPDIR/build/tmp/work/cortexa15t2hf-neon-yoe-linux-gnueabi/libssh/0.10.4-r0/git/src/libgcrypt.c:903:20: error: incompatible function pointer types initializing 'void (*)(struct ssh_cipher_struct *, void *, void *, size_t)' (aka 'void (*)(struct ssh_cipher_struct *, void *, void *, unsigned int)') with an expression of type 'void (struct ssh_cipher_struct *, void *, void *, unsigned long)' [-Wincompatible-function-pointer-types]
+    .encrypt     = des3_encrypt,
+                   ^~~~~~~~~~~~
+TOPDIR/build/tmp/work/cortexa15t2hf-neon-yoe-linux-gnueabi/libssh/0.10.4-r0/git/src/libgcrypt.c:904:20: error: incompatible function pointer types initializing 'void (*)(struct ssh_cipher_struct *, void *, void *, size_t)' (aka 'void (*)(struct ssh_cipher_struct *, void *, void *, unsigned int)') with an expression of type 'void (struct ssh_cipher_struct *, void *, void *, unsigned long)' [-Wincompatible-function-pointer-types]
+    .decrypt     = des3_decrypt
+                   ^~~~~~~~~~~~
+
+Upstream-Status: Pending
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ src/libgcrypt.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/libgcrypt.c b/src/libgcrypt.c
+index da5588ad..e482b654 100644
+--- a/src/libgcrypt.c
++++ b/src/libgcrypt.c
+@@ -469,12 +469,12 @@ static int des3_set_key(struct ssh_cipher_struct *cipher, void *key, void *IV) {
+ }
+ 
+ static void des3_encrypt(struct ssh_cipher_struct *cipher, void *in,
+-    void *out, unsigned long len) {
++    void *out, size_t len) {
+   gcry_cipher_encrypt(cipher->key[0], out, len, in, len);
+ }
+ 
+ static void des3_decrypt(struct ssh_cipher_struct *cipher, void *in,
+-    void *out, unsigned long len) {
++    void *out, size_t len) {
+   gcry_cipher_decrypt(cipher->key[0], out, len, in, len);
+ }
+ 
+-- 
+2.40.0
+

meta-oe/recipes-support/libssh/libssh_0.10.4.bb

@@ -8,6 +8,7 @@ DEPENDS = "zlib openssl"
 
 SRC_URI = "git://git.libssh.org/projects/libssh.git;protocol=https;branch=stable-0.10 \
            file://0001-tests-CMakeLists.txt-do-not-search-ssh-sshd-commands.patch \
+           file://0001-libgcrypt.c-Fix-prototype-of-des3_encrypt-des3_decry.patch \
            file://run-ptest \
           "
 SRCREV = "e8322817a9e5aaef0698d779ddd467a209a85d85"