fix daemon.c to compile on OpenBSD

I can confirm that the following patch lets the current origin
compile on OpenBSD.  If you could apply this until you sort out the
rest of the namespace issue, I would be happy.  Thanks.
Signed-off-by: NJunio C Hamano <junkio@cox.net>

daemon.c

-#include "cache.h"
-#include "pkt-line.h"
 #include <signal.h>
 #include <sys/wait.h>
 #include <sys/socket.h>
@@ -9,6 +7,8 @@
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <syslog.h>
+#include "pkt-line.h"
+#include "cache.h"
 
 static int log_syslog;
 static int verbose;