include fixes

libswan/include/swan/Animation.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <SDL2/SDL.h>
+#include <SDL.h>
 
 #include "common.h"
 #include "Resource.h"

libswan/include/swan/Mod.h

@@ -5,7 +5,7 @@
 #include <vector>
 #include <memory>
 #include <type_traits>
-#include <SDL2/SDL.h>
+#include <SDL.h>
 
 #include "Tile.h"
 #include "Item.h"

libswan/include/swan/Resource.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <SDL2/SDL.h>
+#include <SDL.h>
 #include <stdint.h>
 #include <string>
 #include <memory>

libswan/include/swan/Win.h

@@ -3,7 +3,7 @@
 #include "log.h"
 #include "common.h"
 
-#include <SDL2/SDL.h>
+#include <SDL.h>
 #include <optional>
 
 namespace Swan {

libswan/include/swan/gfxutil.h

@@ -1,4 +1,4 @@
-#include <SDL2/SDL.h>
+#include <SDL.h>
 #include <ostream>
 
 #include "util.h"

libswan/src/Resource.cc

@@ -1,7 +1,7 @@
 #include "Resource.h"
 
 #include <stdio.h>
-#include <SDL2/SDL_image.h>
+#include <SDL_image.h>
 #include <regex>
 #include <cpptoml.h>
 #include <string.h>