fix scoping of UseReverseDNS

proftpd/proftpd.conf

@@ -18,6 +18,7 @@ User                  @l_npusr@
 Group                 @l_npgrp@
 Umask                 022
 
+UseReverseDNS         off
 MultilineRFC2228      on
 ShowSymlinks          on
 AllowOverwrite        on
@@ -40,7 +41,6 @@ SystemLog             @l_prefix@/var/proftpd/proftpd.system.log
 
 <Global>
     IdentLookups      off
-    UseReverseDNS     off
     DeferWelcome      off
     DisplayGoAway     @l_prefix@/etc/proftpd/proftpd.msg.goaway
     DisplayLogin      @l_prefix@/etc/proftpd/proftpd.msg.login