Mark version 5.7.4

Author: marijnh

package.json

@@ -4,7 +4,7 @@
   "homepage": "https://github.com/acornjs/acorn",
   "main": "dist/acorn.js",
   "module": "dist/acorn.es.js",
-  "version": "5.7.3",
+  "version": "5.7.4",
   "engines": {
     "node": ">=0.4.0"
   },