fixup includes, use uint8_t in key.hpp instead of Uint8

src/key.cpp

@@ -16,6 +16,9 @@
 #include "key.hpp"
 #include "sdl/compat.hpp"
 
+#include <SDL_keyboard.h>
+#include <SDL_version.h>
+
 CKey::CKey() :
 	key_list(SDL_GetKeyState(NULL))
 {

src/key.hpp

@@ -15,7 +15,7 @@
 #ifndef KEY_HPP_INCLUDED
 #define KEY_HPP_INCLUDED
 
-#include "SDL.h"
+#include <inttypes.h>
 
 /**
  * Class that keeps track of all the keys on the keyboard.
@@ -26,7 +26,7 @@
  */
 class CKey
 {
-	const Uint8 *key_list;
+	const uint8_t *key_list;
 
 public:
 	CKey();