onnxruntime

df731535 - Fix unused variable warning in onnxruntime/core/providers/coreml/builders/impl/gather_op_builder.cc. (#24609)

Fix unused variable warning in onnxruntime/core/providers/coreml/builders/impl/gather_op_builder.cc. (#24609) ### Description <!-- Describe your changes. --> Fix unused variable warning in onnxruntime/core/providers/coreml/builders/impl/gather_op_builder.cc. ### Motivation and Context <!-- - Why is this change required? What problem does it solve? - If it fixes an open issue, please link to the issue here. --> Fix build.