builtin-rm: use warning() instead of fprintf(stderr, "warning: ")

diff --git a/index-pack.c b/index-pack.c
index 7fee8725333860dbbd13d8de5ae7baf1ef33976d..75468228d3933cc86c79f3595f7ff5e6b643cd7b 100644 (file)
--- a/index-pack.c
+++ b/index-pack.c
@@ -232,7 +232,7 @@ static void free_base_data(struct base_data *c)
 
 static void prune_base_data(struct base_data *retain)
 {
-       struct base_data *b = base_cache;
+       struct base_data *b;
        for (b = base_cache;
             base_cache_used > delta_base_cache_limit && b;
             b = b->child) {