[Minor] Add missing require

diff --git a/rules/regexp/compromised_hosts.lua b/rules/regexp/compromised_hosts.lua
index 6159fbcccc70804fdc957f5d6250be07cb18cc08..69e77742ff5229cae280dffca1361e9fa77cc68a 100644 (file)
--- a/rules/regexp/compromised_hosts.lua
+++ b/rules/regexp/compromised_hosts.lua
@@ -1,5 +1,6 @@
 local reconf = config['regexp']
 local rspamd_regexp = require 'rspamd_regexp'
+local util = require 'rspamd_util'
 
 reconf['HAS_PHPMAILER_SIG'] = {
   re = "X-Mailer=/^PHPMailer/Hi || Content-Type=/boundary=\"b[123]_/Hi",