CCM NG: Changed handling for null values in setValues. If null is provided an empty map is created.

git-svn-id: https://svn.libreccm.org/ccm/ccm_ng@5136 8810af33-2d31-482b-a856-94f89814c4df

ccm-core/src/main/java/org/libreccm/l10n/LocalizedString.java

@@ -103,7 +103,7 @@ public class LocalizedString implements Serializable {
      */
     protected void setValues(final Map<Locale, String> values) {
         if (values == null) {
-            this.values = values;
+            this.values = new HashMap<>();
         } else {
             this.values = new HashMap<>(values);
         }