don't use assign array to string ($@ -> $*)

Found by shellcheck.

diff --git a/letsencrypt.sh b/letsencrypt.sh
index 64cacdacd8212f8dd989612c78cc3181d782dbe7..15f384c0f725cd035d38a2a90b6d40e3c6f375a8 100755 (executable)
--- a/letsencrypt.sh
+++ b/letsencrypt.sh
@@ -30,8 +30,8 @@ signed_request() {
 
 sign_domain() {
   domain="${1}"
-  altnames="${@}"
-  echo "Signing domain ${1} (${@})..."
+  altnames="${*}"
+  echo "Signing domain ${1} (${*})..."
   if [ ! -e "certs/${domain}" ]; then
     SAN=""
     for altname in $altnames; do