libepoxy looks for libGL.so.1. This matches the pkgsrc version, but

native X has libGL.so.2. Split the difference and look for libGL.so.

graphics/libepoxy/Makefile

@@ -1,7 +1,7 @@
-# $NetBSD: Makefile,v 1.4 2015/06/13 19:13:10 tnn Exp $
+# $NetBSD: Makefile,v 1.5 2015/06/14 21:50:07 prlw1 Exp $
 
 DISTNAME=	libepoxy-1.2
-PKGREVISION=	1
+PKGREVISION=	2
 CATEGORIES=	graphics
 MASTER_SITES=	${MASTER_SITE_GITHUB:=anholt/}
 GITHUB_TAG=	v${PKGVERSION_NOREV}

graphics/libepoxy/distinfo

@@ -1,7 +1,8 @@
-$NetBSD: distinfo,v 1.2 2015/06/13 19:13:10 tnn Exp $
+$NetBSD: distinfo,v 1.3 2015/06/14 21:50:07 prlw1 Exp $
 
 SHA1 (libepoxy-1.2.tar.gz) = e700520711b9e4fa07c286aa36e431d8ad4133f5
 RMD160 (libepoxy-1.2.tar.gz) = fc5c11eacb437b437c4d6b185a79dc1d6a4467df
 Size (libepoxy-1.2.tar.gz) = 267110 bytes
 SHA1 (patch-configure.ac) = 6651693923d0384806a400e54c9dcec8553f06c4
+SHA1 (patch-src_dispatch__common.c) = 09132e4da31ff799563e2f7aae0b1af42a87701f
 SHA1 (patch-src_dispatch__common.h) = a95512892d4f0172366b19246602f00db6c03dc6

graphics/libepoxy/patches/patch-src_dispatch__common.c

@@ -0,0 +1,15 @@
+$NetBSD: patch-src_dispatch__common.c,v 1.1 2015/06/14 21:50:07 prlw1 Exp $
+
+Native X has /usr/X11R7/lib/libGL.so.2.
+
+--- src/dispatch_common.c.orig	2014-05-14 00:22:08.000000000 +0000
++++ src/dispatch_common.c
+@@ -105,7 +105,7 @@
+ #ifdef __APPLE__
+ #define GLX_LIB "/opt/X11/lib/libGL.1.dylib"
+ #else
+-#define GLX_LIB "libGL.so.1"
++#define GLX_LIB "libGL.so"
+ #endif
+ 
+ struct api {