D7457: shelve: fix a missing variable in the exception handler for delete

[dlax (Denis Laxalde)]

dlax added a comment.
dlax accepted this revision.


  I don't see any test for `hg shelve --delete NAME` that's not a command error case; adding some in D7460 <https://phab.mercurial-scm.org/D7460>.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D7457/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D7457

To: mharbison72, #hg-reviewers, dlax
Cc: dlax, mercurial-devel