conditional markdown preprocessing

diff --git a/dir.c b/dir.c
index 34972abdaf1d5b24713bfa8e97274adf2d99f135..cab9c2a4588669f3aef3637ada377712998fa01a 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -701,7 +701,7 @@ static struct untracked_cache_dir *lookup_untracked(struct untracked_cache *uc,
        first = 0;
        last = dir->dirs_nr;
        while (last > first) {
-               int cmp, next = (last + first) >> 1;
+               int cmp, next = first + ((last - first) >> 1);
                d = dir->dirs[next];
                cmp = strncmp(name, d->name, len);
                if (!cmp && strlen(d->name) > len)