[Libguestfs] [PATCH nbdkit v2 0/2] tests: Invoke MALLOC_CHECK_ correctly and only for glibc

[Richard W.M. Jones]

This is essentially the same as v1
(https://listman.redhat.com/archives/libguestfs/2021-August/msg00088.html)
except:

- Fixed a typo in the commit message.

- Added a second patch which fixes* the valgrind issue.

*Fix or workaround depending on your point of view - see the comment
in the patch.

Rich.