Fix VM compil

pmd-vm/src/main/java/net/sourceforge/pmd/lang/vm/ast/ASTMathNode.java

@@ -38,9 +38,4 @@ abstract class ASTMathNode extends AbstractVmNode {
         super(id);
     }
 
-    @Override
-    public Object jjtAccept(final VmParserVisitor visitor, final Object data) {
-        return visitor.visit(this, data);
-    }
-
 }

pmd-vm/src/main/java/net/sourceforge/pmd/lang/vm/rule/design/AvoidDeeplyNestedIfStmtsRule.java

@@ -48,7 +48,7 @@ public class AvoidDeeplyNestedIfStmtsRule extends AbstractVmRule {
 
     private Object handleIf(VmNode node, Object data) {
         depth++;
-        super.visit(node, data);
+        super.visitVmNode(node, data);
         if (depth == depthLimit) {
             addViolation(data, node);
         }