Merge branch 'mm/log-branch-desc-plug-leak'

* mm/log-branch-desc-plug-leak:
  builtin/log.c: fix minor memory leak

diff --cc builtin/log.c
index 4389722,3087616..e4d8122
--- 1/builtin/log.c
--- 2/builtin/log.c
+++ b/builtin/log.c
@@@ -861,9 -856,10 +861,10 @@@ static void add_branch_description(stru
        read_branch_desc(&desc, branch_name);
        if (desc.len) {
                strbuf_addch(buf, '\n');
 -              strbuf_add(buf, desc.buf, desc.len);
 +              strbuf_addbuf(buf, &desc);
                strbuf_addch(buf, '\n');
        }
+       strbuf_release(&desc);
  }
  
  static char *find_branch_name(struct rev_info *rev)