Factor 40 and 41 constants from source.

1 files changed, 2 insertions, 2 deletions

diff --git a/examples/rev-list.c b/examples/rev-list.c
index 5c0d751a3..940a01136 100644
--- a/examples/rev-list.c
+++ b/examples/rev-list.c
@@ -22,7 +22,7 @@ int main (int argc, char **argv)
 	git_repository *repo;
 	git_revwalk *walk;
 	git_oid oid;
-	char buf[41];
+	char buf[GIT_OID_HEXSZ+1];
 
 	git_threads_init();
 
@@ -32,7 +32,7 @@ int main (int argc, char **argv)
 
 	while (!git_revwalk_next(&oid, walk)) {
 		git_oid_fmt(buf, &oid);
-		buf[40] = '\0';
+		buf[GIT_OID_HEXSZ] = '\0';
 		printf("%s\n", buf);
 	}