[PATCH] stdlib: Fix formatting of tests list in Makefile

[Florian Weimer]

* Siddhesh Poyarekar:

> Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>

Looks good to me.

Reviewed-by: Florian Weimer <fweimer@redhat.com>

Thanks,
Florian