eapol_test: Fix -R option to not replace -s option value

Commit e9852462d5 ('eapol_test: Add PC/SC
reader and PIN command line arguments') did not add break to the switch
statement for the new -R command line option.

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>

wpa_supplicant/eapol_test.c

@@ -1267,6 +1267,7 @@ int main(int argc, char *argv[])
 			break;
 		case 'R':
 			eapol_test.pcsc_reader = optarg;
+			break;
 		case 's':
 			as_secret = optarg;
 			break;