pull string.h for some prototypes

print/ghostscript/gnu/patches/patch-src_zcolor2_c

@@ -0,0 +1,11 @@
+$OpenBSD: patch-src_zcolor2_c,v 1.1 2002/12/23 18:04:42 pvalchev Exp $
+--- src/zcolor2.c.orig	Mon Dec 23 09:59:07 2002
++++ src/zcolor2.c	Mon Dec 23 09:59:08 2002
+@@ -16,6 +16,7 @@
+ 
+ /*$Id: patch-src_zcolor2_c,v 1.1 2002/12/23 18:04:42 pvalchev Exp $ */
+ /* Level 2 color operators */
++#include <string.h>
+ #include "ghost.h"
+ #include "oper.h"
+ #include "gscolor.h"