JS: PropWrite is not a SourceNode

Author: asgerf

javascript/ql/lib/semmle/javascript/dataflow/internal/FlowSteps.qll

@@ -139,7 +139,7 @@ private module CachedSteps {
    * Holds if `invk` may invoke `f`.
    */
   cached
-  predicate calls(DataFlow::SourceNode invk, Function f) {
+  predicate calls(DataFlow::Node invk, Function f) {
     f = invk.(DataFlow::InvokeNode).getACallee(0)
     or
     f = invk.(DataFlow::PropRef).getAnAccessorCallee().getFunction()

javascript/ql/test/library-tests/CallGraphs/AnnotatedTest/Test.ql

@@ -25,7 +25,7 @@ class AnnotatedFunction extends Function {
 }
 
 /** A function annotated with `calls:NAME` */
-class AnnotatedCall extends DataFlow::SourceNode {
+class AnnotatedCall extends DataFlow::Node {
   string calls;
   string kind;