main_windows: Catch more exit events

main_windows.go

@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"os"
 	"os/signal"
+	"syscall"
 
 	"git.zx2c4.com/wireguard-go/tun"
 )
@@ -71,6 +72,8 @@ func main() {
 	// wait for program to terminate
 
 	signal.Notify(term, os.Interrupt)
+	signal.Notify(term, os.Kill)
+	signal.Notify(term, syscall.SIGTERM)
 
 	select {
 	case <-term: