minor tweak to AnnotationIntrospector call forwarding (2.6 vs 2.7)

Author: cowtowncoder

src/main/java/com/fasterxml/jackson/databind/AnnotationIntrospector.java

@@ -231,16 +231,16 @@ public PropertyName findRootName(AnnotatedClass ac) {
      *   false if for deserialization
      */
     public String[] findPropertiesToIgnore(Annotated ac, boolean forSerialization) {
-        // !!! Change direction in 2.7 or later
-        return findPropertiesToIgnore(ac);
+        return null;
     }
 
     /**
      * @deprecated Since 2.6, use variant that takes second argument.
      */
     @Deprecated
     public String[] findPropertiesToIgnore(Annotated ac) {
-        return null;
+        // Changed in 2.7 to call from old to new; with 2.6 was opposite
+        return findPropertiesToIgnore(ac, true);
     }
 
     /**