Properly implement the equivalent of strdup again as the portable

version and the src version of nawk differ in that. Complained about by
Joachim Koenig, blame on me. Bump revision.

lang/nawk/Makefile

@@ -1,7 +1,7 @@
-# $NetBSD: Makefile,v 1.34 2008/08/26 20:26:25 joerg Exp $
+# $NetBSD: Makefile,v 1.35 2008/09/08 13:47:55 joerg Exp $
 
 DISTNAME=	nawk-20050424
-PKGREVISION=	2
+PKGREVISION=	3
 CATEGORIES=	lang
 MASTER_SITES=	# empty
 DISTFILES=	# empty

lang/nawk/files/tran.c

@@ -1,4 +1,4 @@
-/* $NetBSD: tran.c,v 1.2 2008/08/26 14:46:21 joerg Exp $ */
+/* $NetBSD: tran.c,v 1.3 2008/09/08 13:47:55 joerg Exp $ */
 
 /****************************************************************
 Copyright (C) Lucent Technologies 1997
@@ -400,11 +400,14 @@ char *getpssval(Cell *vp)     /* get string val of a Cell for print */
 
 char *tostring(const char *s)	/* make a copy of string s */
 {
+	size_t len;
 	char *p;
 
-	p = (char *) malloc(strlen(s)+1);
+	len = strlen(s) + 1;
+	p = (char *) malloc(len);
 	if (p == NULL)
 		FATAL("out of space in tostring on %s", s);
+	memcpy(p, s, len); 
 	return(p);
 }