Optimize #49 memory consumption of double to string conversion

Jan Breuer

2016-02-20 ca33af45434be98d3c412e93fb6768aafa418158

 libscpi/inc/scpi/types.h

@@ -204,6 +204,7 @@
    struct _scpi_fifo_t {
        int16_t wr;
        int16_t rd;
        int16_t count;
        int16_t size;
        int16_t * data;
    };