added missing semi-column

lib/single-file/css-rules-matcher.js

@@ -24,7 +24,7 @@ this.RulesMatcher = this.RulesMatcher || (() => {
 
 	const MEDIA_ALL = "all";
 	const PRIORITY_IMPORTANT = "important";
-	const IGNORED_PSEUDO_CLASSES = [":focus", ":focus-within", ":hover", ":link", ":visited", ":active"]
+	const IGNORED_PSEUDO_CLASSES = [":focus", ":focus-within", ":hover", ":link", ":visited", ":active"];
 
 	class RulesMatcher {
 		constructor(doc) {