Remove stray replace.patch from the repo

[laffer1]

replace.patch was a leftover diff artifact accidentally committed (in #162). It is not referenced by the build or tests, and its content is stale — it adds <ctype.h> to tests/mport_util_test.c, which uses no ctype functions and whose current include block no longer matches the patch context.

Removing it; nothing depends on it.

🤖 Generated with Claude Code

Summary by Sourcery

Chores:

• Delete a stray patch artifact that is no longer used by the build or tests.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

This pull request removes an unused, stale patch file (replace.patch) that was accidentally committed and is not referenced by the build or tests.

File-Level Changes

Change	Details	Files
Delete an unreferenced, stale patch artifact from the repository.	Remove replace.patch, which was a leftover diff artifact from a previous change. Ensure no build, test, or tooling references depend on replace.patch.	replace.patch

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[github-actions]

Claude finished @laffer1's task in 33s —— View job

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Reviewing PR #174

• Gather context (diff, PR description)
• Verify replace.patch isn't referenced anywhere (build, tests, CI, docs)
• Verify the "stale" claim about <ctype.h> in tests/mport_util_test.c
• Post review feedback

Review

Verified both claims in the PR description:

• Unreferenced: grep -rn "replace.patch" across the tree (excluding .git/) returns no hits — not mentioned in any Makefile, CI workflow, or doc.
• Stale: the patch adds #include <ctype.h> to tests/mport_util_test.c, but the current file has no ctype.h-family calls (isalpha, isdigit, toupper, etc. — confirmed via grep), and its current include block (sys/cdefs.h, sys/param.h, sys/stat.h, atf-c.h, stdbool.h, stdio.h, stdlib.h, string.h, unistd.h) doesn't match the patch's context lines anyway, so it wouldn't apply cleanly even if it were still relevant.

This is a clean, correctly scoped deletion of a dead artifact (0 additions / 9 deletions, single file). No build, test, or CI references depend on it. No memory-safety, SQL, or path-traversal surface here since it's just a leftover text file — nothing to flag.

LGTM.

[sourcery-ai]

Hey - I've reviewed your changes and they look great!

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