Make regress suite noninteractive.

Index: src/testpcsc.c
--- src/testpcsc.c.orig
+++ src/testpcsc.c
@@ -461,8 +461,6 @@ wait_for_card_again:
 		free(pcReader);
 #endif
 
-	printf("Press enter: ");
-	(void)getchar();
 	printf("Testing SCardReconnect\t\t: ");
 	rv = SCardReconnect(hCard, SCARD_SHARE_SHARED,
 		SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1, SCARD_UNPOWER_CARD, &dwPref);
