ちょこっと修正すれば接続は出来ました
+(use srfi-11)
- (set! chosenCountry (list-ref 1)))
+ (set! chosenCountry (list-ref args 1)))

でもCtrl-cするとエラーが出て[autovpn] try another VPN? (y/n)に進めない😱

^CMon Jan 15 04:25:51 2018 event_wait : Interrupted system call (code=4)
*** UNHANDLED-SIGNAL-ERROR: unhandled signal 2 (SIGINT)
Stack Trace:
_______________________________________
0 (sys-waitpid (process-pid process) :nohang nohang?)
at "/usr/share/gauche-0.9/0.9.5/lib/gauche/process.scm":436
1 (process-wait process)
at "./autovpn.scm":42
2 (%with-signal-handlers (list (cons (%make-sigset SIGTERM) (^ ...
expanded from (with-signal-handlers ((SIGTERM (process-send-signal process
at "./autovpn.scm":40
3 (fn item)
at "/usr/share/gauche-0.9/0.9.5/lib/gauche/procedure.scm":303