fix https://github.com/acmesh-official/acme.sh/issues/4231

dnsapi/dns_ovh.sh

@@ -92,7 +92,7 @@ _initAuth() {
 
   if [ "$OVH_AK" != "$(_readaccountconf OVH_AK)" ]; then
     _info "It seems that your ovh key is changed, let's clear consumer key first."
-    _clearaccountconf OVH_CK
+    _clearaccountconf_mutable OVH_CK
   fi
   _saveaccountconf_mutable OVH_AK "$OVH_AK"
   _saveaccountconf_mutable OVH_AS "$OVH_AS"
@@ -125,7 +125,7 @@ _initAuth() {
   if ! _ovh_rest GET "domain" || _contains "$response" "INVALID_CREDENTIAL" || _contains "$response" "NOT_CREDENTIAL"; then
     _err "The consumer key is invalid: $OVH_CK"
     _err "Please retry to create a new one."
-    _clearaccountconf OVH_CK
+    _clearaccountconf_mutable OVH_CK
     return 1
   fi
   _info "Consumer key is ok."