Fix test and examples to work with extended errors

Jan Breuer

2016-04-24 3a0d40729383c42af1cef194abc56182955fb9c9

 examples/common/scpi-def.h

@@ -13,7 +13,7 @@
extern const scpi_command_t scpi_commands[];
extern scpi_interface_t scpi_interface;
extern char scpi_input_buffer[];
extern int16_t scpi_error_queue_data[];
extern scpi_error_t scpi_error_queue_data[];
extern scpi_t scpi_context;

size_t SCPI_Write(scpi_t * context, const char * data, size_t len);