Minor compilation (warnings) fixes.

Author: Jan Synacek <jsynacek@redhat.com>

--- iputils-s20121125/ninfod/ninfod.c.orig	2012-11-25 08:42:40.000000000 +0100
+++ iputils-s20121125/ninfod/ninfod.c	2012-12-06 08:29:12.323928153 +0100
@@ -110,6 +110,8 @@
 # include <sys/capability.h>
 #endif
 
+#include <time.h>
+
 #include "ninfod.h"
 
 #ifndef offsetof
@@ -406,7 +408,7 @@ static void do_daemonize(void)
 			if ((fp = fopen(opt_p, "r"))) {
 				if (fscanf(fp, "%d", &pid) != 1) {
 					DEBUG(LOG_ERR, "pid file '%s' exists, but read failed.\n",
-					      opt_p, pid);
+					      opt_p);
 				} else {
 					DEBUG(LOG_ERR, "pid file '%s' exists : %d\n",
 					      opt_p, pid);