fix potential leak, found by clang-analyzer - stagit-gopher - static git page generator for gopher
  HTML git clone https://git.drkhsh.at/stagit-gopher.git
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
   DIR commit 1d91c79e3c26c62bee0c047fe1db02668ca94721
   DIR parent ae6461dc6f6ddc1d4bb33eef9cee71d4e7599458
  HTML Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Sun, 12 Mar 2017 21:30:43 +0100
       
       fix potential leak, found by clang-analyzer
       
       Diffstat:
         M stagit.c                            |       1 +
       
       1 file changed, 1 insertion(+), 0 deletions(-)
       ---
   DIR diff --git a/stagit.c b/stagit.c
       @@ -114,6 +114,7 @@ commitinfo_getstats(struct commitinfo *ci)
                                err(1, "calloc");
                        if (git_patch_from_diff(&patch, ci->diff, i)) {
                                git_patch_free(patch);
       +                        free(di);
                                goto err;
                        }
                        di->patch = patch;