Repaired hashFiles call so if error was thrown, it was returned to process invoker (#1678)

* hashFiles.ts added exit status on promise action

* generated layoutbin/hashfiles/index.js

src/Misc/layoutbin/hashFiles/index.js

@@ -1621,7 +1621,15 @@ function run() {
         }
     });
 }
-run();
+run()
+    .then(out => {
+    console.log(out);
+    process.exit(0);
+})
+    .catch(err => {
+    console.error(err);
+    process.exit(1);
+});
 
 
 /***/ }),