Fix a missing BGT delay in T=1 loop (see issue #13).

Thanks @ijsf for reporting this and testing.

smartcard_iso7816.c

@@ -1888,6 +1888,8 @@ static int SC_send_APDU_T1(SC_APDU_cmd *apdu, SC_APDU_resp *resp, SC_ATR *atr){
 					log_printf("[Smartcard T=1] Unexpected case: received other block than expected RBLOCK, or bad sequence number ...\n");
 					goto err;
 				}
+				/* Wait for BGT as we will send the next block after looping */
+				SC_delay_etu(BGT_block_guard_time); /* Wait for the standardized Block Guard Time (22 ETU by default) */
 			}
 			else{
 				/* This is the last block, we should receive at least one I type block with a last I Block received sequence + 1 value