Fix up "make doc"

diff --git a/ls-tree.c b/ls-tree.c
index 450bff2472084098af018460567c51ef90b847ad..8d524b89a2a3cecf8d820ddc335e7159db5ccdb1 100644 (file)
--- a/ls-tree.c
+++ b/ls-tree.c
@@ -79,7 +79,7 @@ static struct tree_entry_list *find_entry(const char *path)
                slash = strchr(path, '/');
                if (!slash) {
                        len = strlen(path);
-                       next = 0;
+                       next = NULL;
                }
                else {
                        next = slash + 1;