[Kimi-K2.5] Fix missing quant_config in KimiK25 (#18440)

python/sglang/srt/models/kimi_k25.py

@@ -662,6 +662,7 @@ class KimiK25ForConditionalGeneration(nn.Module):
     ) -> None:
         super().__init__()
         self.config = config
+        self.quant_config = quant_config
         # Create vision tower
         self.vision_tower = MoonViT3dPretrainedModel(config.vision_config)
         # Create mm projector