[PATCH] Missing includes in daemonize.c

[andy-js]

This patch fixes build warnings on illumos.

diff --git a/daemonize.c b/daemonize.c
index 3d2b40e..606b965 100644
--- a/daemonize.c
+++ b/daemonize.c
@@ -20,10 +20,12 @@
 #include <unistd.h>
 #include <sys/types.h>
 #include <pwd.h>
+#include <grp.h>
 #include <stdarg.h>
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <sys/file.h>
+#include <libgen.h>
 #include "config.h"
 #include "version.h"