Unlink png from zlib, bump major number.

Breaks lbreakout2 and pdflib, we don't really care, we'll fix them.

graphics/png/Makefile

@@ -1,9 +1,9 @@
-# $OpenBSD: Makefile,v 1.42 2003/01/25 05:52:21 brad Exp $
+# $OpenBSD: Makefile,v 1.43 2003/12/18 00:09:48 espie Exp $
 
 COMMENT=	"library for manipulating PNG images"
 
 DISTNAME=	libpng-1.2.5
-PKGNAME=	${DISTNAME:S/lib//}p1
+PKGNAME=	${DISTNAME:S/lib//}p2
 CATEGORIES=	graphics
 MASTER_SITES=	${MASTER_SITE_SOURCEFORGE:=libpng/}
 

graphics/png/patches/patch-scripts_makefile_openbsd

@@ -1,6 +1,6 @@
-$OpenBSD: patch-scripts_makefile_openbsd,v 1.4 2003/01/25 05:52:21 brad Exp $
---- scripts/makefile.openbsd.orig	Thu Oct  3 07:32:34 2002
-+++ scripts/makefile.openbsd	Sat Jan 25 00:32:05 2003
+$OpenBSD: patch-scripts_makefile_openbsd,v 1.5 2003/12/18 00:09:48 espie Exp $
+--- scripts/makefile.openbsd.orig	2002-10-03 13:32:34.000000000 +0200
++++ scripts/makefile.openbsd	2003-12-17 02:21:50.000000000 +0100
 @@ -1,13 +1,16 @@
 -# makefile for libpng
 +# makefile for libpng under OpenBSD
@@ -17,8 +17,8 @@ $OpenBSD: patch-scripts_makefile_openbsd,v 1.4 2003/01/25 05:52:21 brad Exp $
  
 -SHLIB_MAJOR=	0
 -SHLIB_MINOR=	1.2.5
-+SHLIB_MAJOR=	3
-+SHLIB_MINOR=	1
++SHLIB_MAJOR=	4
++SHLIB_MINOR=	0
  
  LIB=	png
  SRCS=	png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \
@@ -26,7 +26,7 @@ $OpenBSD: patch-scripts_makefile_openbsd,v 1.4 2003/01/25 05:52:21 brad Exp $
  
  CFLAGS+= -Wall
  CPPFLAGS+= -I${.CURDIR} -DPNG_NO_ASSEMBLER_CODE -DPNG_USE_PNGGCCRD
-+LDADD=	-lz
++LDADD=
  
  NOPROFILE= Yes
  

graphics/png/pkg/PFRAG.shared

@@ -1,3 +1,3 @@
-@comment $OpenBSD: PFRAG.shared,v 1.8 2002/07/17 22:39:03 brad Exp $
-lib/libpng.so.3.1
+@comment $OpenBSD: PFRAG.shared,v 1.9 2003/12/18 00:09:48 espie Exp $
+lib/libpng.so.4.0
 DYNLIBDIR(%B)