[Bugfix] Respect num-gpu-blocks-override in v1

Signed-off-by: Jon Swenson <jmswen@gmail.com>

Author: jmswen

vllm/v1/core/kv_cache_utils.py

@@ -660,6 +660,7 @@ def get_num_blocks(vllm_config: VllmConfig, num_layers: int,
         logger.info(
             "Overriding num_gpu_blocks=%d with "
             "num_gpu_blocks_override=%d", num_blocks, num_gpu_blocks_override)
+        return num_gpu_blocks_override
     return num_blocks