Resolve #18 *TST? should return 0 as OK

Jan Breuer

2015-01-18 834faf3b0a91d6af089258d9917fbc86a92699a1

 libscpi/src/minimal.c

@@ -67,7 +67,7 @@
 * @return 
 */
scpi_result_t SCPI_SystemVersionQ(scpi_t * context) {
    SCPI_ResultString(context, SCPI_DEV_VERSION);
    SCPI_ResultString(context, SCPI_STD_VERSION_REVISION);
    return SCPI_RES_OK;
}