Extend UrlRedirectSink from DataFlow::Node

Author: rvermeulen

java/ql/src/semmle/code/java/security/UrlRedirect.qll

@@ -2,4 +2,4 @@ import java
 import semmle.code.java.dataflow.DataFlow
 
 /** A URL redirection sink */
-abstract class UrlRedirectSink extends DataFlow::ExprNode { }
+abstract class UrlRedirectSink extends DataFlow::Node { }