Add #undef abs in ImathFun.h. On MirBSD, something (I don't know what)

redefines abs and breaks the openexr build.

Bump PKGREVISION.

graphics/ilmbase/Makefile

@@ -1,6 +1,7 @@
-# $NetBSD: Makefile,v 1.12 2013/07/31 18:25:28 adam Exp $
+# $NetBSD: Makefile,v 1.13 2013/12/02 23:39:09 bsiegert Exp $
 
 DISTNAME=	ilmbase-2.0.1
+PKGREVISION=	1
 CATEGORIES=	graphics
 MASTER_SITES=	http://download.savannah.nongnu.org/releases/openexr/
 

graphics/ilmbase/distinfo

@@ -1,8 +1,9 @@
-$NetBSD: distinfo,v 1.8 2013/07/31 18:25:28 adam Exp $
+$NetBSD: distinfo,v 1.9 2013/12/02 23:39:09 bsiegert Exp $
 
 SHA1 (ilmbase-2.0.1.tar.gz) = bfa62519094413f686c6f08c5923b47a10eea180
 RMD160 (ilmbase-2.0.1.tar.gz) = a17bce323d3025ddb971c254bef31a7c230b4b20
 Size (ilmbase-2.0.1.tar.gz) = 555828 bytes
 SHA1 (patch-Iex_IexThrowErrnoExc.cpp) = 1a4206619320a2a95378b7c2db14fde20b0ffd71
+SHA1 (patch-Imath_ImathFun.h) = 79ab60ada8cecd52e5b16fadbded82492d79a1df
 SHA1 (patch-aa) = 7498a0cfafaec4f1e43dd57270f514bc5a8e7b1f
 SHA1 (patch-ab) = 1e39351d9513e10e3745c188612f9daf41253234

graphics/ilmbase/patches/patch-Imath_ImathFun.h

@@ -0,0 +1,13 @@
+$NetBSD: patch-Imath_ImathFun.h,v 1.1 2013/12/02 23:39:09 bsiegert Exp $
+
+--- Imath/ImathFun.h.orig	Thu Sep 19 17:07:20 2013
++++ Imath/ImathFun.h
+@@ -48,6 +48,8 @@
+ #include "ImathInt64.h"
+ #include "ImathNamespace.h"
+ 
++#undef abs
++
+ IMATH_INTERNAL_NAMESPACE_HEADER_ENTER
+ 
+ template <class T>