nixos/syncthing: Fix typos (#383278)

    # note that the dot in front of `${path}` is the hostname, which is

    # required.

    then "--unix-socket ${cfg.guiAddress} http://.${path}"

    # no adjustements are needed if cfg.guiAddress is a network address

    # no adjustments are needed if cfg.guiAddress is a network address

    else "${cfg.guiAddress}${path}"

    ;

  /* Syncthing's rest API for the folders and devices is almost identical.

  Hence we iterate them using lib.pipe and generate shell commands for both at

  the sime time. */

  the same time. */

  (lib.pipe {

    # The attributes below are the only ones that are different for devices /

    # folders.