BUILD: adopt script/build-ssl.sh for OpenSSL-3.0.0beta2

starting with
https://github.com/openssl/openssl/commit/74b7f339aa58af57c0e71b7efca66e6f2db5ae2e,
libs are installed to "lib64", to get back required behaviour, let us
set libdir explicitly

(cherry picked from commit cd61e8383d9dff8a308a822063aee6b5e3b3282d)
Signed-off-by: William Lallemand <wlallemand@haproxy.org>
diff --git a/scripts/build-ssl.sh b/scripts/build-ssl.sh
index 1a1d04a..e1d89a0 100755
--- a/scripts/build-ssl.sh
+++ b/scripts/build-ssl.sh
@@ -22,7 +22,7 @@
 build_openssl_linux () {
     (
         cd "openssl-${OPENSSL_VERSION}/"
-        ./config shared --prefix="${HOME}/opt" --openssldir="${HOME}/opt" -DPURIFY
+        ./config shared --prefix="${HOME}/opt" --openssldir="${HOME}/opt" --libdir=lib -DPURIFY
         if [ -z "${OPENSSL_VERSION##1.*}" ]; then
             make all
         else
@@ -36,7 +36,7 @@
     (
         cd "openssl-${OPENSSL_VERSION}/"
         ./Configure darwin64-x86_64-cc shared \
-            --prefix="${HOME}/opt" --openssldir="${HOME}/opt" -DPURIFY
+            --prefix="${HOME}/opt" --openssldir="${HOME}/opt" --libdir=lib -DPURIFY
         make depend build_sw install_sw
     )
 }