ui-log: don't free diff object when outputting diff

In git 2.36, the logic for diff_flush() changed, resulting in our object
getting freed, which led to following renames producing garbage commits
until it eventually crashed.

Fixes: bb02e24 ("git: update to v2.36.0")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

0 files changed, 0 insertions, 0 deletions