drop workaround now that realpath() accepts NULL as second argument

ok jasper@

productivity/workrave/Makefile

@@ -1,11 +1,11 @@
-# $OpenBSD: Makefile,v 1.25 2011/06/08 17:37:46 jasper Exp $
+# $OpenBSD: Makefile,v 1.26 2011/07/27 17:46:22 naddy Exp $
 
 COMMENT=		reminder program for prevention of RSI
 
 DISTNAME=		workrave-1.9.3
 CATEGORIES=		productivity x11
 
-REVISION=		1
+REVISION=		2
 
 HOMEPAGE=		http://www.workrave.org/
 

productivity/workrave/patches/patch-frontend_common_src_SoundPlayer_cc

@@ -1,15 +0,0 @@
-$OpenBSD: patch-frontend_common_src_SoundPlayer_cc,v 1.1 2011/01/16 20:34:40 ajacoutot Exp $
-
-Our realpath(3) does not support resolved to be specified as NULL.
-
---- frontend/common/src/SoundPlayer.cc.orig	Sat Jan 15 10:28:46 2011
-+++ frontend/common/src/SoundPlayer.cc	Sat Jan 15 10:29:27 2011
-@@ -522,7 +522,7 @@ SoundPlayer::load_sound_theme(const string &themefilen
-               gchar *pathname = g_build_filename(themedir, filename, NULL);
-               if (pathname != NULL)
-                 {
--#ifdef HAVE_REALPATH
-+#if defined HAVE_REALPATH && !defined __OpenBSD__
-                   sound_pathname = realpath(pathname, NULL);
-                   if (sound_pathname == NULL)
-                     {