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daemon.c: Check exit code of chdir()

Stop the compile warning and fix the code to act on a chdir() failure.
If this one does fail something is very, very wrong.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>

Upstream-Status: Pending

---
 daemon.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/daemon.c
+++ b/daemon.c
@@ -964,7 +964,8 @@ int main(int argc, char **argv)
 	sigaction(SIGALRM, &act, NULL);
 
 	/* don't make directory we started in busy */
-	chdir("/");
+	if(chdir("/") < 0)
+	    daemon_exit(0);
 
 	/* detach from terminal */
 	if (opt_detach) {
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