fix Findbugs warning in RegistryConfigs
@@ -75,6 +75,9 @@ public abstract class RegistryConfigs {
new Maps.EntryTransformer<String, RegistryAuth, RegistryAuth>() {
@Override
public RegistryAuth transformEntry(final String key, final RegistryAuth value) {
+ if (value == null) {
+ return null;
+ }
if (value.serverAddress() == null) {
return value.toBuilder()
.serverAddress(key)
