[vim/vim] Remove more unnecessary (int) casts before alloc() calls (PR #19893)

[mattn]

Follow-up to patch 9.2.0283. Remove remaining (int) casts before alloc() in vim9script.c and netbeans.c.

• vim9script.c (3 locations): lengths derived from STRLEN() on file paths, bounded by PATH_MAX. The (int) cast is unnecessary but not a security issue in practice.
• netbeans.c (1 location): all operands (oldlen, lastbyte, first) are already int/colnr_T (= int), so the (int) cast is purely redundant — no truncation can occur here.

Relates to #19888

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You can view, comment on, or merge this pull request online at:

  https://github.com/vim/vim/pull/19893

Commit Summary

• 7058cb4 Remove more unnecessary (int) casts before alloc() calls

File Changes

(2 files)

• M src/netbeans.c (2)
• M src/vim9script.c (6)

Patch Links:

• https://github.com/vim/vim/pull/19893.patch
• https://github.com/vim/vim/pull/19893.diff

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[mattn]

@mattn pushed 1 commit.

• 80af291 Merge branch 'master' into fix-int-cast-truncation-2

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