app-backup/snapper: fix build w/ boost 1.81

Closes: https://bugs.gentoo.org/886505
Signed-off-by: Sam James <sam@gentoo.org>

app-backup/snapper/files/snapper-0.10.3-boost-1.81.patch

@@ -0,0 +1,19 @@
+https://bugs.gentoo.org/886505
+https://github.com/openSUSE/snapper/commit/0f8a3dff903eeb30072b9b9809cf072d3c84d1fc
+
+From 0f8a3dff903eeb30072b9b9809cf072d3c84d1fc Mon Sep 17 00:00:00 2001
+From: Arvin Schnell <aschnell@suse.de>
+Date: Tue, 15 Nov 2022 14:39:29 +0100
+Subject: [PATCH] - fix build with boost 1.81
+
+--- a/zypp-plugin/snapper-zypp-plugin.cc
++++ b/zypp-plugin/snapper-zypp-plugin.cc
+@@ -30,6 +30,7 @@
+ 
+ #include <iostream>
+ #include <map>
++#include <set>
+ #include <string>
+ #include <regex>
+ 
+

app-backup/snapper/snapper-0.10.3.ebuild

@@ -38,6 +38,7 @@ DEPEND="${RDEPEND}
 PATCHES=(
 	"${FILESDIR}"/cron-confd.patch
 	"${FILESDIR}"/${PN}-0.10.1-testsuite.patch
+	"${FILESDIR}"/${P}-boost-1.81.patch
 )
 
 src_prepare() {