tree-wide: (void)ify a few unlink() and rmdir()

Let's be helpful to static analyzers which care about whether we
knowingly ignore return values. We do in these cases, since they are
usually part of error paths.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/backlight/backlight.c b/src/backlight/backlight.c
index 28a1a903d1..dfd6805398 100644
--- a/src/backlight/backlight.c
+++ b/src/backlight/backlight.c
@@ -412,7 +412,7 @@ static int run(int argc, char *argv[]) {
                 const char *value;
 
                 if (validate_device(device) == 0) {
-                        unlink(saved);
+                        (void) unlink(saved);
                         return 0;
                 }