fix potential leak, found by clang-analyzer - stagit

commit 1d91c79e3c26c62bee0c047fe1db02668ca94721
parent ae6461dc6f6ddc1d4bb33eef9cee71d4e7599458
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(-)
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;