improve depth heuristic for maximum delta size

diff --git a/diff.c b/diff.c
index bfe54c3e093439d8e9df55fa319715ca20090f99..7a7b839e56ac1ba2ed0b770a047aaf07bce23722 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -297,7 +297,6 @@ static const char minuses[]= "--------------------------------------------------
 
 static void show_stats(struct diffstat_t* data)
 {
-       char *prefix = "";
        int i, len, add, del, total, adds = 0, dels = 0;
        int max, max_change = 0, max_len = 0;
        int total_files = data->nr;
@@ -319,6 +318,7 @@ static void show_stats(struct diffstat_t* data)
        }
 
        for (i = 0; i < data->nr; i++) {
+               char *prefix = "";
                char *name = data->files[i]->name;
                int added = data->files[i]->added;
                int deleted = data->files[i]->deleted;