Fix a bug in disabling clang linker #603

Job	Run time
lint-yaml	8s
build-rust	14m 17s
build-and-push-image	0s
build-and-push-image-ipxe	0s
build-and-push-image-bootstrap-node	0s
build-and-push-image-ipmitool	0s
build-and-push-image-kiss-optimizer-wifi	0s
build-and-push-image-snapshot-git	0s
build-and-push-image-upgrade-csi-rook-ceph	0s
build-and-push-image-upgrade-csi-s3	0s
build-and-push-image-upgrade-fabric-mellanox	0s
build-and-push-image-upgrade-gpu-nvidia	0s
build-and-push-image-upgrade-kiss	0s
build-and-push-image-vine-desktop-alpine	0s
build-and-push-image-vine-novnc	0s
build-and-push-image-vine-dex	0s
build-and-push-image-vine-x11vnc	0s
build-and-push-image-wsmancli	0s
release	0s
	14m 25s

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