boinc: fix builds with OpenSSL 3

packages/boinc/build.sh

@@ -3,6 +3,7 @@ TERMUX_PKG_DESCRIPTION="Open-source software for volunteer computing"
 TERMUX_PKG_LICENSE="GPL-3.0"
 TERMUX_PKG_MAINTAINER="@termux"
 TERMUX_PKG_VERSION=7.18.1
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SRCURL=https://github.com/BOINC/boinc/archive/client_release/${TERMUX_PKG_VERSION:0:4}/${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_SHA256=274388d9c49e488b6c8502ffc6eb605d5ceae391fb0c2fc56dbb0254d0ceb27e
 TERMUX_PKG_DEPENDS="libandroid-shmem, libc++, libcurl, openssl, zlib"

packages/boinc/lib-crypt.cpp.patch

@@ -0,0 +1,11 @@
+--- ./lib/crypt.cpp.orig	2022-02-19 18:38:44.955894789 +0530
++++ ./lib/crypt.cpp	2022-02-19 18:39:20.225894775 +0530
+@@ -672,7 +672,7 @@
+         }
+ #ifdef HAVE_OPAQUE_RSA_DSA_DH
+         RSA *rsa;
+-        rsa = EVP_PKEY_get0_RSA(pubKey);
++        rsa = (rsa_st*)EVP_PKEY_get0_RSA(pubKey);
+         if (!RSA_blinding_on(rsa, c)) {
+ #else
+         if (!RSA_blinding_on(pubKey->pkey.rsa, c)) {