[PATCH hurd 08/12] mach-defpager: fix unused return warnings

[dnietoc]

From: Diego Nieto Cid <dnie...@gmail.com>

    ../../mach-defpager/main.c: In function 'main':
    ../../mach-defpager/main.c:116:11: warning: ignoring return value of 
'chdir' declared with attribute 'warn_unused_result' [-Wunused-result]
---
 mach-defpager/main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mach-defpager/main.c b/mach-defpager/main.c
index 11afea2f..fd7f300f 100644
--- a/mach-defpager/main.c
+++ b/mach-defpager/main.c
@@ -113,7 +113,9 @@ main (int argc, char **argv)
          error (1, errno, "cannot become daemon");
        case 0:
          setsid ();
-         chdir ("/");
+         err = chdir ("/");
+         if (err == -1)
+           error (3, 0, "chdir call failed");
          close (0);
          close (1);
          close (2);
-- 
2.51.0