sha1_name: convert uses of 40 to GIT_SHA1_HEXSZ

There are several uses of the constant 40 in find_unique_abbrev_r.
Convert them to GIT_SHA1_HEXSZ.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/sha1_name.c b/sha1_name.c
index 7577eaecfa382036c0ac0c1593a2f63388854564..862b6f1308e7031317ab6eb6d181652a6fc644ad 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -500,10 +500,10 @@ int find_unique_abbrev_r(char *hex, const unsigned char *sha1, int len)
        }
 
        sha1_to_hex_r(hex, sha1);
-       if (len == 40 || !len)
-               return 40;
+       if (len == GIT_SHA1_HEXSZ || !len)
+               return GIT_SHA1_HEXSZ;
        exists = has_sha1_file(sha1);
-       while (len < 40) {
+       while (len < GIT_SHA1_HEXSZ) {
                struct object_id oid_ret;
                status = get_short_oid(hex, len, &oid_ret, GET_OID_QUIETLY);
                if (exists