add missing includes

Index: src/bin/imlib2_view.c
--- src/bin/imlib2_view.c.orig
+++ src/bin/imlib2_view.c
@@ -1,6 +1,8 @@
 #include "config.h"
 #include <Imlib2.h>
 
+#include <sys/select.h>
+#include <time.h>
 #include <X11/Xlib.h>
 #include <X11/keysym.h>
 #include <stdio.h>