Update SDL2 include path

src/audio_core/sink/sdl2_sink.cpp

@@ -15,7 +15,7 @@
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wimplicit-fallthrough"
 #endif
-#include <SDL.h>
+#include <SDL2/SDL.h>
 #ifdef __clang__
 #pragma clang diagnostic pop
 #endif

src/input_common/drivers/sdl_driver.h

@@ -8,7 +8,7 @@
 #include <thread>
 #include <unordered_map>
 
-#include <SDL.h>
+#include <SDL2/SDL.h>
 
 #include "common/common_types.h"
 #include "common/threadsafe_queue.h"

src/yuzu/main.cpp

@@ -75,7 +75,7 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include <QtConcurrent/QtConcurrent>
 
 #ifdef HAVE_SDL2
-#include <SDL.h> // For SDL ScreenSaver functions
+#include <SDL2/SDL.h> // For SDL ScreenSaver functions
 #endif
 
 #include <fmt/format.h>

src/yuzu_cmd/config.cpp

@@ -10,7 +10,7 @@
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wimplicit-fallthrough"
 #endif
-#include <SDL.h>
+#include <SDL2/SDL.h>
 #ifdef __clang__
 #pragma clang diagnostic pop
 #endif

src/yuzu_cmd/emu_window/emu_window_sdl2.cpp

@@ -1,7 +1,7 @@
 // SPDX-FileCopyrightText: 2016 Citra Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <SDL.h>
+#include <SDL2/SDL.h>
 
 #include "common/logging/log.h"
 #include "common/scm_rev.h"

src/yuzu_cmd/emu_window/emu_window_sdl2_gl.cpp

@@ -6,7 +6,7 @@
 #include <string>
 
 #define SDL_MAIN_HANDLED
-#include <SDL.h>
+#include <SDL2/SDL.h>
 
 #include <fmt/format.h>
 #include <glad/glad.h>

src/yuzu_cmd/emu_window/emu_window_sdl2_vk.cpp

@@ -13,13 +13,13 @@
 #include "yuzu_cmd/emu_window/emu_window_sdl2_vk.h"
 
 #ifdef YUZU_USE_EXTERNAL_SDL2
-// Include this before SDL.h to prevent the external from including a dummy
+// Include this before SDL2/SDL.h to prevent the external from including a dummy
 #define USING_GENERATED_CONFIG_H
-#include <SDL_config.h>
+#include <SDL2/SDL_config.h>
 #endif
 
-#include <SDL.h>
-#include <SDL_syswm.h>
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_syswm.h>
 
 EmuWindow_SDL2_VK::EmuWindow_SDL2_VK(InputCommon::InputSubsystem* input_subsystem_,
                                      Core::System& system_, bool fullscreen)