llama : whitespace cleanup (#20422)

src/llama-model.h

@@ -299,7 +299,7 @@ struct llama_layer {
     struct ggml_tensor * ffn_gate_exps_s   = nullptr;
     struct ggml_tensor * ffn_down_exps_s   = nullptr;
     struct ggml_tensor * ffn_up_exps_s     = nullptr;
-  
+
     // ff MoE latent proj
     struct ggml_tensor * ffn_latent_down = nullptr;
     struct ggml_tensor * ffn_latent_up   = nullptr;