init: Move list and log handling to list.h and log.h

Change-Id: I298f575c590d0f28b7ad78747f3ebdbba56b7a27
diff --git a/init/signal_handler.c b/init/signal_handler.c
index e5d308d..3e5d136 100644
--- a/init/signal_handler.c
+++ b/init/signal_handler.c
@@ -26,7 +26,9 @@
 #include <sys/reboot.h>
 
 #include "init.h"
+#include "list.h"
 #include "util.h"
+#include "log.h"
 
 static int signal_fd = -1;
 static int signal_recv_fd = -1;