Reproduction steps

call git_tag_delete on a tag that is not packed and is alone in its folder like .git/refs/tags/Test/Tag1

Expected behavior

the tag is deleted
the empty folder is deleted

Actual behavior

the tag is deleted
the folder is kept empty

Remarks

git tag -d Test/Tag1 will delete the tag and the folder

Version of libgit2 (release number or SHA1)

c1ef58a

Operating system(s) tested

Windows 7