fix posix compile

Author: stduhpf

examples/cli/main.cpp

@@ -1050,7 +1050,7 @@ int main(int argc, const char* argv[]) {
                           params.slg_scale,
                           params.skip_layer_start,
                           params.skip_layer_end,
-                          step_callback);
+                          (step_callback_t)step_callback);
     } else {
         sd_image_t input_image = {(uint32_t)params.width,
                                   (uint32_t)params.height,

stable-diffusion.h

@@ -149,7 +149,7 @@ SD_API sd_ctx_t* new_sd_ctx(const char* model_path,
 
 SD_API void free_sd_ctx(sd_ctx_t* sd_ctx);
 
-typedef void (*step_callback_t)(int, struct ggml_tensor*, enum SDVersion);
+typedef void (*step_callback_t)(int, struct ggml_tensor*, int);
 
 SD_API sd_image_t* txt2img(sd_ctx_t* sd_ctx,
                            const char* prompt,