games-simulation/EmptyEpsilon: fix compilation with gcc 12

Closes: https://bugs.gentoo.org/846935
Signed-off-by: Florian Schmaus <flow@gentoo.org>

games-simulation/EmptyEpsilon/EmptyEpsilon-2022.03.16.ebuild

@@ -70,8 +70,12 @@ src_prepare() {
 		ln -rs "${target}" "${link}" || die
 	done
 
+	local serious_proton_patches=(
+		"${FILESDIR}/SeriousProton-cmake.patch"
+		"${FILESDIR}/SeriousProton-Add-missing-include-memory-to-websocket.h.patch"
+	)
 	eapply --directory="${WORKDIR}/SeriousProton-EE-${PV}" \
-		   "${FILESDIR}/SeriousProton-cmake.patch"
+		   "${serious_proton_patches[@]}"
 }
 
 src_configure() {

games-simulation/EmptyEpsilon/files/SeriousProton-Add-missing-include-memory-to-websocket.h.patch

@@ -0,0 +1,23 @@
+From 9fe127233eae44f14e37900c3f54e8a305d2f161 Mon Sep 17 00:00:00 2001
+From: Florian Schmaus <flo@geekplace.eu>
+Date: Sun, 22 May 2022 12:36:08 +0200
+Subject: [PATCH] Add missing #include <memory> to websocket.h
+
+std::unique_ptr, which is used for the 'socket' field, is defined in
+<memory> but currently not included. Starting with GCC 12, the missing
+include will cause a compilation error.
+
+The missing include was found by Gentoo's CI and reported as
+https://bugs.gentoo.org/846935
+--- a/src/io/http/websocket.h
++++ b/src/io/http/websocket.h
+@@ -5,6 +5,9 @@
+ #include <io/network/tcpSocket.h>
+ #include <unordered_map>
+ 
++#ifndef EMSCRIPTEN
++#include <memory>
++#endif
+ 
+ namespace sp {
+ namespace io {