ci/Dockerfile: Add openssl devel dependencies
Needed by kernel module signing.
Fixes: https://github.com/open-power/op-build/issues/960
Fixes: 034ff11c71f3ea49186781543dd3b6e88b191996
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
diff --git a/ci/Dockerfile/ubuntu1404 b/ci/Dockerfile/ubuntu1404
index 8acb932..b3833c9 100644
--- a/ci/Dockerfile/ubuntu1404
+++ b/ci/Dockerfile/ubuntu1404
@@ -7,4 +7,4 @@
python language-pack-en texinfo \
build-essential g++ git bison flex unzip \
libxml-simple-perl libxml-sax-perl libxml2-dev libxml2-utils xsltproc
-RUN DEBIAN_FRONTEND=noninteractive apt-get install -yy wget bc
+RUN DEBIAN_FRONTEND=noninteractive apt-get install -yy wget bc libssl-dev