Kotlin: Add CFG for KtAnonymousClassDeclarationStmt

java/ql/lib/semmle/code/java/ControlFlowGraph.qll

@@ -972,6 +972,10 @@ private module ControlFlowGraphImpl {
         completion = YieldCompletion(branchCompletion)
       )
     )
+    or
+    n instanceof KtAnonymousClassDeclarationStmt and
+    last = n and
+    completion = NormalCompletion()
   }
 
   /**