MEECROWAVE-203 adapting to owb snapshot
diff --git a/meecrowave-core/src/main/java/org/apache/meecrowave/Meecrowave.java b/meecrowave-core/src/main/java/org/apache/meecrowave/Meecrowave.java
index 36767a8..68c70f1 100644
--- a/meecrowave-core/src/main/java/org/apache/meecrowave/Meecrowave.java
+++ b/meecrowave-core/src/main/java/org/apache/meecrowave/Meecrowave.java
@@ -2062,7 +2062,8 @@
         public Builder loadFrom(final String resource) {
             // load all of those files on the classpath, sorted by ordinal
             Properties config = PropertyLoader.getProperties(resource,
-                    sortedProperties -> mergeProperties(resource, sortedProperties));
+                    sortedProperties -> mergeProperties(resource, sortedProperties),
+                    () -> {});
             if (config == null || config.isEmpty()) {
                 final File file = new File(resource);
                 if (file.exists()) {