[PATCH v3 09/13] diff: widen `deflate_it()`'s bound local from int to `size_t`

From: Johannes Schindelin <[email protected]>

Fixes a pre-existing silent narrowing from `git_deflate_bound()`'s
`unsigned long` return into an `int` local: anything past 2 GiB has
always wrapped negative here and then been re-extended to `size_t`
inside `xmalloc()`. Also prep for the upcoming `git_deflate_bound()`
widening to `size_t`, which would extend the narrowing further if
`bound` stayed `int`.

Assisted-by: Opus 4.7
Signed-off-by: Johannes Schindelin <[email protected]>
---
 diff.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff.c b/diff.c
index 69eb2f76a4..c14f69719b 100644
--- a/diff.c
+++ b/diff.c
@@ -3609,7 +3609,7 @@ static unsigned char *deflate_it(char *data,
 				 unsigned long size,
 				 unsigned long *result_size)
 {
-	int bound;
+	size_t bound;
 	unsigned char *deflated;
 	git_zstream stream;
 	struct repo_config_values *cfg = repo_config_values(the_repository);
-- 
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