There's no reason to include <time.h> in empio.h, except it's missing

in a couple of other files.  Include it where it's needed.

src/lib/commands/upda.c

@@ -35,6 +35,7 @@
 
 #include <stdio.h>
 #include <sys/types.h>
+#include <time.h>
 #include "misc.h"
 #include "player.h"
 #include "commands.h"