[tests] use double quote to test \0 as a string
authorPaul Brossier <piem@piem.org>
Sun, 16 Dec 2018 01:01:00 +0000 (02:01 +0100)
committerPaul Brossier <piem@piem.org>
Sun, 16 Dec 2018 01:01:00 +0000 (02:01 +0100)
commit5c849afa23b33c53e026cddce920634e8861d930
treeb7b2583e9fdff128021c6af9a461a1d6fb0a00d4
parent26c6ee4874858a60789094cfff94c8cd6e2d921d
[tests] use double quote to test \0 as a string

Prevents clang throwing an error, since '\0' is rightfully treated as a
single character.

See this explanation by Stephen J. Butler:
https://lists.macports.org/pipermail/macports-dev/2016-June/033168.html
tests/src/io/test-source.c