Fix merge conflict

install/deb/php-fpm/dummy.conf

@@ -1,6 +1,6 @@
 ; origin-src: deb/php-fpm/dummy.conf
 
-[wwww]
+[www]
 listen = /run/php/php%backend_version%-fpm.dummy.sock
 listen.owner = hestiamail
 listen.group = www-data