Knsupdate with libedit

src/utils/knsupdate/knsupdate_exec.c

@@ -67,7 +67,7 @@ int cmd_zone(const char* lp, knsupdate_params_t *params);
  * This way we could identify command byte-per-byte and
  * cancel early if the next is lexicographically greater.
  */
-const char* knsupdate_cmd_array[] = {
+const char* const knsupdate_cmd_array[] = {
 	"\x3" "add",
 	"\x6" "answer",
 	"\x5" "class",         /* {classname} */