Update Dockerfile

- Escaping escaped escapes ¯\_(ツ)_/¯

Author: ich777

Dockerfile

@@ -34,7 +34,7 @@ CMD bash -c "cd ${DATA_DIR} && \
   git checkout v${TOOLKIT_VERSION} && \
   mkdir -p ${DATA_DIR}/nvidia-container-toolkit-${TOOLKIT_VERSION}/usr/bin && \
   sed -i '/if err := updateLdCache(os\.Args); err != nil/,+3d' ${DATA_DIR}/go/src/github.com/NVIDIA/nvidia-container-toolkit/cmd/nvidia-cdi-hook/update-ldcache/update-ldcache.go && \
-  sed -i '/func updateLdCacheHandler() {/a\\tvar _ = log.Printf' ${DATA_DIR}/go/src/github.com/NVIDIA/nvidia-container-toolkit/cmd/nvidia-cdi-hook/update-ldcache/update-ldcache.go && \
+  sed -i '/func updateLdCacheHandler() {/a\\\\tvar _ = log.Printf' ${DATA_DIR}/go/src/github.com/NVIDIA/nvidia-container-toolkit/cmd/nvidia-cdi-hook/update-ldcache/update-ldcache.go && \
   make LIBNVIDIA_CONTAINER_VERSION=${TOOLKIT_VERSION} LIBNVIDIA_CONTAINER_TAG=${TOOLKIT_VERSION} binaries && \
   cp ${DATA_DIR}/go/src/github.com/NVIDIA/nvidia-container-toolkit/nvidia-container-runtime-hook ${DATA_DIR}/nvidia-container-toolkit-${TOOLKIT_VERSION}/usr/bin && \
   cp ${DATA_DIR}/go/src/github.com/NVIDIA/nvidia-container-toolkit/nvidia-container-runtime ${DATA_DIR}/nvidia-container-toolkit-${TOOLKIT_VERSION}/usr/bin && \