demo: opae-nlb-demo: restore Clear Linux workaround

Signed-off-by: Mikko Ylinen <[email protected]>

Author: mythi

demo/opae-nlb-demo/Dockerfile

@@ -17,6 +17,8 @@ RUN swupd update --no-boot-update ${CLEAR_LINUX_VERSION} && \
 # Fetch dependencies and source code
 ARG OPAE_RELEASE=1.4.0-1
 
+# workaround for a swupd failure discussed in https://github.com/clearlinux/distribution/issues/831
+RUN ldconfig
 RUN mkdir -p /usr/src/opae && \
     cd /usr/src/opae && \
     wget https://github.com/OPAE/opae-sdk/archive/${OPAE_RELEASE}.tar.gz && \