travis: Add xmllint to the builder image

Seems that it is required for the manpage conversion.
6 years ago · 13796f0d0f
2 changed files with 2 additions and 0 deletions
--- a/contrib/Dockerfile.builder
+++ b/contrib/Dockerfile.builder
@ -32,6 +32,7 @@ RUN apt-get -qq update && \
 	python3-setuptools \
 	python-pkg-resources \
 	shellcheck \
+	libxml2-utils \
 	wget \
 	zlib1g-dev && \
 	rm -rf /var/lib/apt/lists/*
--- a/contrib/Dockerfile.builder.i386
+++ b/contrib/Dockerfile.builder.i386
@ -32,6 +32,7 @@ RUN apt-get -qq update && \
 	python3-setuptools \
 	python-pkg-resources \
 	shellcheck \
+	libxml2-utils \
 	wget \
 	zlib1g-dev && \
 	rm -rf /var/lib/apt/lists/*