Re-add test line that I had thought was useless, but isn't

Justin Fichtner

2017-11-30 e73964b0ad7f080d398251157bd46255b0032783

 libscpi/inc/scpi/types.h

@@ -74,8 +74,10 @@
        SCPI_REG_ESE, /* Event Status Enable Register */
        SCPI_REG_OPER, /* OPERation Status Register */
        SCPI_REG_OPERE, /* OPERation Status Enable Register */
        SCPI_REG_OPERC, /* OPERation Status Condition Register */
        SCPI_REG_QUES, /* QUEStionable status register */
        SCPI_REG_QUESE, /* QUEStionable status Enable Register */
        SCPI_REG_QUESC, /* QUEStionable status Condition Register

        /* last definition - number of registers */
        SCPI_REG_COUNT
@@ -113,7 +115,12 @@

    typedef struct _scpi_command_t scpi_command_t;

#define SCPI_CMD_LIST_END       {NULL, NULL, 0}
#if USE_COMMAND_TAGS
   #define SCPI_CMD_LIST_END       {NULL, NULL, 0}
#else
   #define SCPI_CMD_LIST_END       {NULL, NULL}
#endif


    /* scpi interface */
    typedef struct _scpi_t scpi_t;
@@ -276,7 +283,7 @@
        SCPI_UNIT_BAR,
        SCPI_UNIT_DECIBEL,
        SCPI_UNIT_UNITLESS,
        SCPI_UNIT_FAGRENHEIT,
        SCPI_UNIT_FAHRENHEIT,
        SCPI_UNIT_KELVIN,
        SCPI_UNIT_DAY,
        SCPI_UNIT_YEAR,