const char performance_str[] PROGMEM = "performance";
const char echo_str[] PROGMEM = "echo";
-cmdlist_entry_t cmdlist[] PROGMEM = {
+const cmdlist_entry_t cmdlist[] PROGMEM = {
{ nessie_str, NULL, testrun_nessie_shabea},
{ test_str, NULL, testrun_shabea},
{ performance_str, NULL, testrun_performance_shabea},