shell/caucase.sh: Simplify renewCertificate locals declaration.

shell/caucase.sh

@@ -366,9 +366,8 @@ renewCertificate () {
   # If created, key file permissions will be set so group and other have no
   # access.
   # shellcheck disable=SC2039
-  local url="$1" oldkey="$2" bits="$3" newcrt="$4" newkey="$5" emptyreqcnf
-  # shellcheck disable=SC2039
-  local newkeydata newcrtdata
+  local url="$1" oldkey="$2" bits="$3" newcrt="$4" newkey="$5" emptyreqcnf \
+  newkeydata newcrtdata
 
   emptyreqcnf="$(mktemp --suffix=emptyreq.cnf)"
   cat > "$emptyreqcnf" << EOF