Fix incorrect import

src/email/email.service.ts

@@ -4,7 +4,7 @@ import { ContactForm, Email, EmailWithoutFrom, FeedbackForm } from './email';
 import { ConfigService } from '../configuration/config.service';
 import { buildContactAdminEmail, buildContactUserEmail } from '../email-templates/contact';
 import moment = require('moment');
-import { buildFeedbackEmail } from 'email-templates/feedback';
+import { buildFeedbackEmail } from '../email-templates/feedback';
 import * as useragent from 'useragent';
 
 @Injectable()