Fix build on 4-STABLE. Sorry.

Reported by:	many

lang/ruby16-shim-ruby18/files/patch-wait.c

@@ -0,0 +1,25 @@
+Index: ext/io/wait/wait.c
+===================================================================
+RCS file: /src/shim/ruby16/ext/io/wait/wait.c,v
+retrieving revision 1.1
+retrieving revision 1.2
+diff -u -r1.1 -r1.2
+--- ext/io/wait/wait.c	19 Oct 2003 20:40:52 -0000	1.1
++++ ext/io/wait/wait.c	1 Nov 2003 09:09:35 -0000	1.2
+@@ -3,7 +3,7 @@
+   io/wait.c -
+ 
+   $Author: knu $
+-  $Date: 2003/10/19 20:40:52 $
++  $Date: 2003/11/01 09:09:35 $
+   created at: Tue Aug 28 09:08:06 JST 2001
+ 
+   All the files in this distribution are covered under the Ruby's
+@@ -14,6 +14,7 @@
+ #include "ruby.h"
+ #include "rubyio.h"
+ 
++#include <sys/time.h>
+ #include <sys/types.h>
+ #include FIONREAD_HEADER
+