Add libfontconfig1 explicitly to openjdk-8-jre for https://bugs.debia…

…n.org/793210

openjdk-8-jre/Dockerfile

@@ -29,5 +29,9 @@ RUN set -x \
 # see CA_CERTIFICATES_JAVA_VERSION notes above
 RUN /var/lib/dpkg/info/ca-certificates-java.postinst configure
 
+# see https://bugs.debian.org/793210
+# and https://github.com/docker-library/java/issues/46#issuecomment-119026586
+RUN apt-get update && apt-get install -y --no-install-recommends libfontconfig1 && rm -rf /var/lib/apt/lists/*
+
 # If you're reading this and have any feedback on how this image could be
 #   improved, please open an issue or a pull request so we can discuss it!