app-admin/gtkdiskfree: Fix passing of incompatible pointer type

And update EAPI 7 -> 8

Closes: https://bugs.gentoo.org/923113
Signed-off-by: Brahmajit Das <brahmajit.xyz@gmail.com>
Closes: https://github.com/gentoo/gentoo/pull/36559
Signed-off-by: Joonas Niilola <juippis@gentoo.org>

app-admin/gtkdiskfree/files/gtkdiskfree-2.0.4-use-const-data-for-icon.patch

@@ -0,0 +1,18 @@
+https://gitlab.com/listout/gtkdiskfree/-/commit/3e8d72c2e4115e1372edb81ae9e3a9cd682e9c48.patch
+Bug: https://bugs.gentoo.org/923113
+From: Samuel Bauer <samuel.bauer@yahoo.fr>
+Date: Tue, 8 Jun 2021 20:40:21 +0200
+Subject: [PATCH] Use const datas for icon
+
+--- a/src/icons/icon.xpm
++++ b/src/icons/icon.xpm
+@@ -1,5 +1,5 @@
+ /* XPM */
+-static char * icon_xpm[] = {
++const static char * icon_xpm[] = {
+ "48 48 592 2",
+ "  	c None",
+ ". 	c #C7C7C7",
+-- 
+GitLab
+

app-admin/gtkdiskfree/gtkdiskfree-2.0.4_p20200224-r2.ebuild

@@ -0,0 +1,39 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DESCRIPTION="Graphical tool to show free disk space like df"
+HOMEPAGE="https://gitlab.com/mazes_80/gtkdiskfree"
+COMMIT="bdda379b9109a226a37801505a19da91494144a6"
+SRC_URI="https://gitlab.com/mazes_80/${PN}/-/archive/${COMMIT}/${PN}-${COMMIT}.tar.gz"
+S="${WORKDIR}/${PN}-${COMMIT}"
+
+LICENSE="GPL-2+"
+SLOT="0"
+KEYWORDS="~amd64 ~ia64 ~ppc ~ppc64 ~sparc ~x86"
+IUSE="gtk2"
+
+RDEPEND="
+	dev-libs/glib
+	x11-libs/cairo
+	x11-libs/gdk-pixbuf
+	gtk2? ( x11-libs/gtk+:2 )
+	!gtk2? ( x11-libs/gtk+:3 )"
+DEPEND="${RDEPEND}
+	x11-base/xorg-proto"
+BDEPEND="sys-devel/gettext
+	virtual/pkgconfig"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-2.0.4-musl-setlocale.patch
+	"${FILESDIR}"/${PN}-2.0.4-use-const-data-for-icon.patch
+)
+
+src_configure() {
+	if use gtk2 ; then
+		econf $(use_with gtk2)
+	else
+		econf --enable-old-color-selector
+	fi
+}