Call exit() from exit_sdl_con if ciolib_reaper is enabled and SDL is not initialized.

src/conio/sdl_con.c

@@ -296,6 +296,10 @@ void exit_sdl_con(void)
 	ciolib_reaper = 0;
 	if (sdl_init_good)
 		sdl_user_func_ret(SDL_USEREVENT_QUIT);
+	else {
+		if (ciolib_reaper)
+			exit(0);
+	}
 }
 
 void sdl_copytext(const char *text, size_t buflen)