$NetBSD$

Multiple implementation files assume these headers are pulled in implicitly,
so make it explicit, for those platforms that otherwise don't pull these in.

--- SrcUnix/EmCommonUnix.h.orig	2010-08-08 11:47:00.281465282 +1200
+++ SrcUnix/EmCommonUnix.h	2010-08-08 11:47:20.822480203 +1200
@@ -42,8 +42,8 @@
 //#include <stdarg.h>
 //#include <stddef.h>
 //#include <stdio.h>
-//#include <stdlib.h>
-//#include <string.h>
+#include <stdlib.h>
+#include <string.h>
 
 //#include <sys/types.h>
 //#include <sys/socket.h>
