Remove empty newlines in #include blocks.

This makes clang-format useful on those.

Also add a bunch of forgotten transitive includes, which otherwise
prevented compilation.

src/citra/citra.cpp

@@ -21,22 +21,19 @@
 #include <Windows.h>
 #endif
 
+#include "citra/config.h"
+#include "citra/emu_window/emu_window_sdl2.h"
 #include "common/logging/backend.h"
 #include "common/logging/filter.h"
 #include "common/logging/log.h"
 #include "common/scm_rev.h"
 #include "common/scope_exit.h"
 #include "common/string_util.h"
-
 #include "core/core.h"
 #include "core/gdbstub/gdbstub.h"
 #include "core/loader/loader.h"
 #include "core/settings.h"
 #include "core/system.h"
-
-#include "citra/config.h"
-#include "citra/emu_window/emu_window_sdl2.h"
-
 #include "video_core/video_core.h"
 
 static void PrintHelp(const char* argv0) {

src/citra/config.cpp

@@ -2,21 +2,15 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include "config.h"
 #include <memory>
-
-#include <inih/cpp/INIReader.h>
-
 #include <SDL.h>
-
+#include <inih/cpp/INIReader.h>
 #include "citra/default_ini.h"
-
 #include "common/file_util.h"
 #include "common/logging/log.h"
-
 #include "core/settings.h"
 
-#include "config.h"
-
 Config::Config() {
     // TODO: Don't hardcode the path; let the frontend decide where to put the config files.
     sdl2_config_loc = FileUtil::GetUserPath(D_CONFIG_IDX) + "sdl2-config.ini";

src/citra/config.h

@@ -6,7 +6,6 @@
 
 #include <memory>
 #include <string>
-
 #include <inih/cpp/INIReader.h>
 
 class Config {

src/citra/emu_window/emu_window_sdl2.cpp

@@ -5,22 +5,16 @@
 #include <algorithm>
 #include <cstdlib>
 #include <string>
-
 #define SDL_MAIN_HANDLED
 #include <SDL.h>
-
 #include <glad/glad.h>
-
+#include "citra/emu_window/emu_window_sdl2.h"
 #include "common/key_map.h"
 #include "common/logging/log.h"
 #include "common/scm_rev.h"
 #include "common/string_util.h"
-
 #include "core/hle/service/hid/hid.h"
 #include "core/settings.h"
-
-#include "citra/emu_window/emu_window_sdl2.h"
-
 #include "video_core/video_core.h"
 
 void EmuWindow_SDL2::OnMouseMotion(s32 x, s32 y) {

src/citra/emu_window/emu_window_sdl2.h

@@ -5,7 +5,6 @@
 #pragma once
 
 #include <utility>
-
 #include "common/emu_window.h"
 
 struct SDL_Window;