tree fde848628dd6bd0c52329f3531c65ac8a8d2ef04
parent a25df009ef7f89fb8cbb26fb78e6c2e960a6c18b
author Patrick Steinhardt <ps@pks.im> 1490613098 +0200
committer Patrick Steinhardt <ps@pks.im> 1490683169 +0200

treebuilder: fix memory leaks in `write_with_buffer`

While we detect errors in `git_treebuilder_write_with_buffer`, we just
exit directly instead of freeing allocated memory. Fix this by
remembering error codes and skipping forward to the function's cleanup
code.