Update some internal files to use SDL_WindowFlags

src/render/SDL_render.c

@@ -819,7 +819,7 @@ static int SDLCALL SDL_RendererEventWatch(void *userdata, SDL_Event *event)
     return 0;
 }
 
-int SDL_CreateWindowAndRenderer(int width, int height, Uint32 window_flags, SDL_Window **window, SDL_Renderer **renderer)
+int SDL_CreateWindowAndRenderer(int width, int height, SDL_WindowFlags window_flags, SDL_Window **window, SDL_Renderer **renderer)
 {
     *window = SDL_CreateWindow(NULL, width, height, window_flags);
     if (!*window) {

src/render/opengl/SDL_render_gl.c

@@ -1643,7 +1643,7 @@ static SDL_Renderer *GL_CreateRenderer(SDL_Window *window, SDL_PropertiesID crea
     SDL_Renderer *renderer;
     GL_RenderData *data;
     GLint value;
-    Uint32 window_flags;
+    SDL_WindowFlags window_flags;
     int profile_mask = 0, major = 0, minor = 0;
     SDL_bool changed_window = SDL_FALSE;
     const char *hint;

src/render/opengles2/SDL_render_gles2.c

@@ -2037,7 +2037,7 @@ static SDL_Renderer *GLES2_CreateRenderer(SDL_Window *window, SDL_PropertiesID c
 {
     SDL_Renderer *renderer;
     GLES2_RenderData *data;
-    Uint32 window_flags = 0; /* -Wconditional-uninitialized */
+    SDL_WindowFlags window_flags = 0; /* -Wconditional-uninitialized */
     GLint window_framebuffer;
     GLint value;
     int profile_mask = 0, major = 0, minor = 0;