BUILD: SSL: allow to pass additional configure args to QUICTLS

 this allows to pass QUICTLS_EXTRA_ARGS to QUICTLS builds. if no
 additional arg is passed, behaviour is kept unchanged

--
v2 indentation fixed
diff --git a/scripts/build-ssl.sh b/scripts/build-ssl.sh
index d143cec..42eef19 100755
--- a/scripts/build-ssl.sh
+++ b/scripts/build-ssl.sh
@@ -134,11 +134,10 @@
 
 if [ ! -z ${QUICTLS+x} ]; then
         (
-
         download_quictls
         cd download-cache/quictls
 
-        ./config shared --prefix="${HOME}/opt" --openssldir="${HOME}/opt" --libdir=lib -DPURIFY
+        ./config shared  ${QUICTLS_EXTRA_ARGS:-} --prefix="${HOME}/opt" --openssldir="${HOME}/opt" --libdir=lib -DPURIFY
         make -j$(nproc) build_sw
         make install_sw