functions.inc.php: fix as per Geoff Shangs report via email

git-svn-id: https://svn.code.sf.net/p/postfixadmin/code/trunk@710 a1433add-5e2c-0410-b055-b7f2511e0802

functions.inc.php

@@ -780,8 +780,8 @@ function list_domains_for_admin ($username)
     $query = "SELECT $table_domain.domain, $table_domain_admins.username FROM $table_domain 
         LEFT JOIN $table_domain_admins ON $table_domain.domain=$table_domain_admins.domain 
         WHERE $table_domain_admins.username='$username' 
-        AND $table_domain.active=$active_sql 
-        AND $table_domain.backupmx=$backupmx_sql 
+        AND $table_domain.active='$active_sql'
+        AND $table_domain.backupmx='$backupmx_sql'
         ORDER BY $table_domain_admins.domain";
 
     $result = db_query ($query);