Fixed fatal error: SDL_pen.h: No such file or directory

include/SDL3/SDL.h

@@ -58,6 +58,7 @@
 #include <SDL3/SDL_misc.h>
 #include <SDL3/SDL_mouse.h>
 #include <SDL3/SDL_mutex.h>
+#include <SDL3/SDL_pen.h>
 #include <SDL3/SDL_pixels.h>
 #include <SDL3/SDL_platform.h>
 #include <SDL3/SDL_power.h>

src/video/x11/SDL_x11pen.c

@@ -24,7 +24,6 @@
 
 #include "../../events/SDL_pen_c.h"
 #include "../SDL_sysvideo.h"
-#include "SDL_pen.h"
 #include "SDL_x11pen.h"
 #include "SDL_x11video.h"
 #include "SDL_x11xinput2.h"