update SDL soruce to 2.0.14

Edward Rudd

2021-06-15 dec7875a6e23212021e4d9080330a42832dfe02a

 source/src/video/x11/SDL_x11vulkan.c

@@ -23,13 +23,19 @@
#if SDL_VIDEO_VULKAN && SDL_VIDEO_DRIVER_X11

#include "SDL_x11video.h"
#include "SDL_assert.h"

#include "SDL_loadso.h"
#include "SDL_x11vulkan.h"

#include <X11/Xlib.h>
/*#include <xcb/xcb.h>*/

#if defined(__OpenBSD__)
#define DEFAULT_VULKAN  "libvulkan.so"
#else
#define DEFAULT_VULKAN  "libvulkan.so.1"
#endif

/*
typedef uint32_t xcb_window_t;
typedef uint32_t xcb_visualid_t;
@@ -52,7 +58,7 @@
    if(!path)
        path = SDL_getenv("SDL_VULKAN_LIBRARY");
    if(!path)
        path = "libvulkan.so.1";
        path = DEFAULT_VULKAN;
    _this->vulkan_config.loader_handle = SDL_LoadObject(path);
    if(!_this->vulkan_config.loader_handle)
        return -1;