autoconf: Quote AC_CACHE_CHECK arguments

diff --git a/upload-pack.c b/upload-pack.c
index fcf279843ad23b0605f3c2bc558e8d04a903554b..51ce936b060d34a2f759dba4f7aeeecf47a59a4b 100644 (file)
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -374,7 +374,7 @@ static int get_common_commits(void)
                                             sha1_to_hex(sha1),
                                             multi_ack ?  " continue" : "");
                                if (multi_ack)
-                                       memcpy(last_sha1, sha1, 20);
+                                       hashcpy(last_sha1, sha1);
                        }
                        continue;
                }