grep docs: use AsciiDoc literals consistently

diff --git a/pack-write.c b/pack-write.c
index 741efcd93bd2a2c105bfe2d771d32857ce2ae816..9f47cf9961212242bc01082944e83fb54da2a515 100644 (file)
--- a/pack-write.c
+++ b/pack-write.c
@@ -17,8 +17,8 @@ static int sha1_compare(const void *_a, const void *_b)
  * the SHA1 hash of sorted object names. The objects array passed in
  * will be sorted by SHA1 on exit.
  */
-char *write_idx_file(char *index_name, struct pack_idx_entry **objects,
-                    int nr_objects, unsigned char *sha1)
+const char *write_idx_file(const char *index_name, struct pack_idx_entry **objects,
+                          int nr_objects, unsigned char *sha1)
 {
        struct sha1file *f;
        struct pack_idx_entry **sorted_by_sha, **list, **last;