games-arcade/berusky: fix build w/ gcc 12

Closes: https://bugs.gentoo.org/890361
Signed-off-by: Sam James <sam@gentoo.org>

games-arcade/berusky/berusky-1.7.1-r2.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2023 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -26,6 +26,7 @@ BDEPEND="virtual/pkgconfig"
 
 PATCHES=(
 	"${FILESDIR}"/${PN}-1.7.1-r2-gentoo.patch
+	"${FILESDIR}"/${PN}-1.7.1-missing-includes.patch
 )
 
 src_prepare() {

games-arcade/berusky/files/berusky-1.7.1-missing-includes.patch

@@ -0,0 +1,22 @@
+https://bugs.gentoo.org/890361
+--- a/src/level_game.cpp
++++ b/src/level_game.cpp
+@@ -27,6 +27,8 @@
+ 
+ #include "portability.h"
+ 
++#include <cassert>
++#include <cstddef>
+ #ifdef LINUX
+ #include <endian.h>
+ #endif // LINUX
+--- a/src/level_game.h
++++ b/src/level_game.h
+@@ -28,6 +28,7 @@
+ #ifndef __LEVEL_GAME_H__
+ #define __LEVEL_GAME_H__
+ 
++#include <cassert>
+ #include <time.h>
+ #include "stack.h"
+