nixos/postfix: fix typo in networksStyle option rename

Changed files
+1 -1
nixos
modules
services
+1 -1
nixos/modules/services/mail/postfix.nix
···
[ "services" "postfix" "settings" "main" "mynetworks" ]
(lib.mkRenamedOptionModule
-
[ "services" "postfix" "networkStyle" ]
+
[ "services" "postfix" "networksStyle" ]
[ "services" "postfix" "settings" "main" "mynetworks_style" ]
(lib.mkRenamedOptionModule