Don't redefine strlcpy on platforms which already have it, and add

license.  Submitted by Thomas Merkel in #11.

Bump PKGREVISION for the LICENSE change.

net/hping/Makefile

@@ -1,15 +1,16 @@
-# $NetBSD: Makefile,v 1.14 2013/10/21 09:05:09 fhajny Exp $
+# $NetBSD: Makefile,v 1.15 2017/08/24 11:04:00 jperkin Exp $
 #
 
 DISTNAME=		hping2.0.0-rc3
 PKGNAME=		hping-2.0.0.3
-PKGREVISION=		1
+PKGREVISION=		2
 CATEGORIES=		net
 MASTER_SITES=		http://www.hping.org/
 
 MAINTAINER=		[email protected]
 HOMEPAGE=		http://www.hping.org/
 COMMENT=		Command-line oriented TCP/IP packet assembler/analyzer
+LICENSE=		gnu-gpl-v2
 
 WRKSRC=			${WRKDIR}/hping2-rc3
 HAS_CONFIGURE=		YES

net/hping/distinfo

@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.9 2015/11/04 00:35:04 agc Exp $
+$NetBSD: distinfo,v 1.10 2017/08/24 11:04:00 jperkin Exp $
 
 SHA1 (hping2.0.0-rc3.tar.gz) = ec48293ca25e08155bf4b51ad6140b1be576a16f
 RMD160 (hping2.0.0-rc3.tar.gz) = 345c6b29e48c2f9aea6b8bafb68c258f9ff8b083
@@ -20,3 +20,4 @@ SHA1 (patch-an) = f660b165d5564149a5b57fa7b84e305af1fefc51
 SHA1 (patch-ao) = 52d30d71d91c33174de17dd1d0096c05e533504b
 SHA1 (patch-ap) = 369b03242eb513ba73d75e7102e7aa5491a13e2e
 SHA1 (patch-aq) = 548dd11def5085580ec118bb8ecff43df60a4140
+SHA1 (patch-gethostname.c) = 74bda475731e0750813f555af58908bada13ba7d

net/hping/patches/patch-gethostname.c

@@ -0,0 +1,17 @@
+$NetBSD: patch-gethostname.c,v 1.1 2017/08/24 11:04:00 jperkin Exp $
+
+strlcpy already exists on *BSD and Darwin
+
+--- gethostname.c.orig	2002-03-28 15:54:48.000000000 +0000
++++ gethostname.c
+@@ -16,7 +16,10 @@
+ #include <arpa/inet.h>
+ #include <string.h>
+
++#if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && \
++    !defined(__bsdi__) && !defined(__APPLE__)
+ size_t strlcpy(char *dst, const char *src, size_t siz);
++#endif
+
+ char *get_hostname(char* addr)
+ {