Rust: ... and extend QuerySink to complete the above.

Author: geoffw0

rust/ql/lib/codeql/rust/security/regex/RegexInjectionExtensions.qll

@@ -8,11 +8,12 @@ private import rust
 private import codeql.rust.dataflow.DataFlow
 private import codeql.rust.controlflow.CfgNodes
 private import codeql.rust.dataflow.FlowSink
+private import codeql.rust.Concepts
 
 /**
  * A data flow sink for regular expression injection vulnerabilities.
  */
-abstract class RegexInjectionSink extends DataFlow::Node { }
+abstract class RegexInjectionSink extends QuerySink { }
 
 /**
  * A barrier for regular expression injection vulnerabilities.