CI: install libxml2 instead of expat in Dockerfile

cb650dcc · Georg Martin Reinke · 4b3efbc3 · cb650dcc
Commit cb650dcc authored Aug 16, 2017 by Georg Martin Reinke
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN dnf -y install \
 	cmake \
 	eigen3-devel \
 	doxygen \
-	expat \
+	libxml2 \
 	python3-pandas \
    python3-numpy