revisions API: have release_revisions() release "prune_data"

Extend the the release_revisions() function so that it frees the
"prune_data" in the "struct rev_info". This means that any code that
calls "release_revisions()" already can get rid of adjacent calls to
clear_pathspec().

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/diff-lib.c b/diff-lib.c
index 0f16281..298265e 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -641,7 +641,6 @@ int do_diff_cache(const struct object_id *tree_oid, struct diff_options *opt)
 
 	if (diff_cache(&revs, tree_oid, NULL, 1))
 		exit(128);
-	clear_pathspec(&revs.prune_data);
 	release_revisions(&revs);
 	return 0;
 }