match new script name

gguf-imat-for-FP16.py

@@ -101,7 +101,7 @@ def download_model_repo():
             convert_model_to_gguf_f16(base_dir, model_dir, model_name, delete_model_dir, imatrix_file_name)
 
 def convert_model_to_gguf_f16(base_dir, model_dir, model_name, delete_model_dir, imatrix_file_name):
-    convert_script = os.path.join(base_dir, "llama.cpp", "convert-hf-to-gguf.py")
+    convert_script = os.path.join(base_dir, "llama.cpp", "convert_hf_to_gguf.py")
     gguf_dir = os.path.join(base_dir, "models", f"{model_name}-GGUF")
     gguf_model_path = os.path.join(gguf_dir, f"{model_name}-F16.gguf")