Add missing libmd0 library to POL dockerfile

Change-Id: Ida7c638c33efdf2413a8fa0218e21edf7c805b2b
Signed-off-by: Gulsum Atici <gulsum.atici@canonical.com>
diff --git a/docker/POL/Dockerfile b/docker/POL/Dockerfile
index 8ed8f5e..f264fba 100644
--- a/docker/POL/Dockerfile
+++ b/docker/POL/Dockerfile
@@ -71,6 +71,10 @@
 
 #######################################################################################
 # End of common prepration
+RUN DEBIAN_FRONTEND=noninteractive apt-get --yes update && \
+    DEBIAN_FRONTEND=noninteractive apt-get --yes install \
+    libmd0 \
+    && rm -rf /var/lib/apt/lists/*
 
 COPY --from=INSTALL /usr/bin/osm* /usr/bin/
 COPY --from=INSTALL /usr/bin/mysql /usr/bin/