media-gfx/viewer: fix VariableShadowed

Signed-off-by: Arthur Zamarin <arthurzam@gentoo.org>

media-gfx/viewer/viewer-0.8.0-r1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2023 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
@@ -7,14 +7,13 @@ inherit autotools
 
 DESCRIPTION="A stereo pair image viewer (supports ppm's only)"
 HOMEPAGE="http://www-users.cs.umn.edu/~wburdick/geowall/viewer.html"
-SRC_URI="ftp://ftp.cs.umn.edu/dept/users/wburdick/geowall/${P}.tar.gz"
+# SRC_URI="ftp://ftp.cs.umn.edu/dept/users/wburdick/geowall/${P}.tar.gz"
 SRC_URI="http://www-users.cs.umn.edu/~wburdick/ftp/geowall/${P}.tar.gz"
 
 LICENSE="GPL-2"
 SLOT="0"
 
 KEYWORDS="~amd64 ~ppc ~x86"
-IUSE=""
 DEPEND="virtual/opengl
 	media-libs/freeglut
 	x11-libs/libXmu
@@ -27,7 +26,7 @@ src_prepare() {
 	default
 	sed -i configure.in \
 		-e "s|/usr/X11R6/lib|/usr/$(get_libdir)/X11|g" \
-		-e 's|/usr/X11R6/include|/usr/include/X11|g'
+		-e 's|/usr/X11R6/include|/usr/include/X11|g' || die
 	eautoreconf
 }