Using meson to run tests on gcode-text found an uninitialized-memory bug in nickle because it *always* sets MALLOC_PERTURB_. Thanks, meson! Bug fixed, and nickle 2.95 released.https://keithp.com/cgit/nickle.git/commit/?id=9ea2939a09be7958cd36c92a9834bea7a9a2e1df