@ -205,7 +205,7 @@ plot 'stats.csv' index "DATA" using (timecolumn(1,"%Y-%m-%d")):4 with lines, ''
char buf[8];
unsigned int i;
for (i=0; i<24; i++) {
sprintf(buf, "\t%02d:00", i);
sprintf(buf, "\t%02u:00", i);
std::cout << buf;
}