Fix C code bugs in set_image_delay and label#512

Merged

davidbyttow merged 2 commits intomasterfrom

fix/c-code-bugs

Mar 6, 2026

Commits on Mar 5, 2026

Fix void function returning a value in set_image_delay

davidbyttow
and
claude
committed
Fix label() error return values: use -1 instead of 1

davidbyttow
and
claude
committed