Fix double free in pstore_column__delete()
Fix double free in pstore_column__delete()

This patch fixes a double free in pstore_column__delete() that triggers when
you import large files.

Signed-off-by: Pekka Enberg <add4fcd06328a394f0ad91feda7ee057316dc5ed@kernel.org>

penberg/pstore,penberg/pstore,penberg/pstore,penberg/pstore