Merge branch 'ah/plugleaks'

Plug various leans reported by LSAN.

* ah/plugleaks:
  builtin/rm: avoid leaking pathspec and seen
  builtin/rebase: release git_format_patch_opt too
  builtin/for-each-ref: free filter and UNLEAK sorting.
  mailinfo: also free strbuf lists when clearing mailinfo
  builtin/checkout: clear pending objects after diffing
  builtin/check-ignore: clear_pathspec before returning
  builtin/bugreport: don't leak prefixed filename
  branch: FREE_AND_NULL instead of NULL'ing real_ref
  bloom: clear each bloom_key after use
  ls-files: free max_prefix when done
  wt-status: fix multiple small leaks
  revision: free remainder of old commit list in limit_list

bloom.c

@@ -283,6 +283,7 @@ struct bloom_filter *get_or_compute_bloom_filter(struct repository *r,
 			struct bloom_key key;
 			fill_bloom_key(e->path, strlen(e->path), &key, settings);
 			add_key_to_filter(&key, filter, settings);
+			clear_bloom_key(&key);
 		}
 
 	cleanup: