Rename window.h to lutro_window.h to match the source file

lutro.c

@@ -13,7 +13,7 @@
 #include "system.h"
 #include "timer.h"
 #include "lutro_math.h"
-#include "window.h"
+#include "lutro_window.h"
 #include "live.h"
 #include "mouse.h"
 #include "joystick.h"

lutro_window.c

@@ -3,7 +3,7 @@
 
 #include <libretro.h>
 
-#include "window.h"
+#include "lutro_window.h"
 #include "lutro.h"
 #include "graphics.h"
 
@@ -288,4 +288,4 @@ int win_showMessageBox(lua_State *L)
    lua_pushboolean(L, 1); // success
 
    return 1;
-}
\ No newline at end of file
+}