Fix failing lint

Author: wagenet

lib/colocated-broccoli-plugin.js

@@ -186,7 +186,7 @@ module.exports = class ColocatedTemplateProcessor extends Plugin {
             source: backingClassPath,
             file,
             includeContent: true,
-            hires: true
+            hires: true,
           });
 
           jsContents += `\n//# sourceMappingURL=${jsContentsMap.toUrl()}`;