dev-cpp/libxmlpp: update EAPI 5 -> 8

Signed-off-by: David Seifert <soap@gentoo.org>

dev-cpp/libxmlpp/libxmlpp-2.40.1-r2.ebuild

@@ -1,8 +1,8 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI="5"
-GCONF_DEBUG="no"
+EAPI=8
+
 GNOME_ORG_MODULE="${PN/pp/++}"
 
 inherit gnome2 multilib-minimal
@@ -19,9 +19,8 @@ RDEPEND="
 	>=dev-libs/libxml2-2.7.7[${MULTILIB_USEDEP}]
 	>=dev-cpp/glibmm-2.32:2[${MULTILIB_USEDEP}]
 "
-DEPEND="${RDEPEND}
-	virtual/pkgconfig
-"
+DEPEND="${RDEPEND}"
+BDEPEND="virtual/pkgconfig"
 
 multilib_src_prepare() {
 	gnome2_src_prepare