[libgpiod][PATCH v2 7/8] tools: tests: shellcheck don't follow sourced file

[Kent Gibson <warthog618@xxxxxxxxx>]

Fix shellcheck SC1091 - not following.

Use a directive to prevent shellcheck complaining about sourcing
shunit2, which we don't care to check.

[1] https://www.shellcheck.net/wiki/SC1091

Signed-off-by: Kent Gibson <warthog618@xxxxxxxxx>
---
 tools/gpio-tools-test.bash | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/gpio-tools-test.bash b/tools/gpio-tools-test.bash
index 83b05ec..4551dc2 100755
--- a/tools/gpio-tools-test.bash
+++ b/tools/gpio-tools-test.bash
@@ -3087,4 +3087,5 @@ modprobe gpio-sim || die "unable to load the gpio-sim module"
 mountpoint /sys/kernel/config/ > /dev/null 2> /dev/null || \
 	die "configfs not mounted at /sys/kernel/config/"
 
+# shellcheck source=/dev/null
 . shunit2
-- 
2.39.2