Fix misspelled defaultCase override in ResolveIds

src/main/java/org/sablecc/sablecc/ResolveIds.java

@@ -287,7 +287,8 @@ public class ResolveIds extends DepthFirstAdapter
 
   }
 
-  public void defaultcase(Node node)
+  @Override
+  public void defaultCase(Node node)
   {
     if(node instanceof Token)
     {