Keep backwards compatible.

acme.sh

@@ -637,8 +637,9 @@ _createcsr() {
     _info "Multi domain" "$alt"
     printf -- "\nsubjectAltName=$alt" >>"$csrconf"
   fi
-  if [ "$Le_OCSP_Staple" ]; then
+  if [ "$Le_OCSP_Staple" ] || [ "$Le_OCSP_Stable" ]; then
     _savedomainconf Le_OCSP_Staple "$Le_OCSP_Staple"
+    _cleardomainconf Le_OCSP_Stable
     printf -- "\nbasicConstraints = CA:FALSE\n1.3.6.1.5.5.7.1.24=DER:30:03:02:01:05" >>"$csrconf"
   fi