chsh: fix gcc link() warn_unused_result warning

setpwnam.c:176:9: warning: ignoring return value of ‘link’, declared with attribute warn_unused_result

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/login-utils/setpwnam.c b/login-utils/setpwnam.c
index 05ce147b4b598f7f1b8418b31cd7db77efe85462..c1e6efb17b1d057897057ee722f1434a0993fbeb 100644 (file)
--- a/login-utils/setpwnam.c
+++ b/login-utils/setpwnam.c
@@ -63,6 +63,7 @@
 #include <paths.h>
 
 #include "setpwnam.h"
+#include "c.h"
 
 #define false 0
 #define true 1
@@ -177,7 +178,7 @@ setpwnam (struct passwd *pwd)
     /* we don't care if we can't remove the backup file */
     unlink(PASSWD_FILE".OLD");
     /* we don't care if we can't create the backup file */
-    link(PASSWD_FILE, PASSWD_FILE".OLD");
+    ignore_result( link(PASSWD_FILE, PASSWD_FILE".OLD") );
     /* we DO care if we can't rename to the passwd file */
     if(rename(PTMP_FILE, PASSWD_FILE) < 0)
        goto fail;