Correct avr-libc detection

Jan Breuer

2015-04-18 7cac5cf9cf1fb205209b9b12c9161236169bd8f2

 examples/common/scpi-def.cpp

@@ -172,5 +172,6 @@
    /* units */ scpi_units_def,
    /* special_numbers */ scpi_special_numbers_def,
    /* user_context */ NULL,
    /* idn */ {"MANUFACTURE", "INSTR2013", NULL, "01-02"},
};