[beast: 5/23] TRAVIS: install libxml2-utils for xmllint

[Tim Janik <timj src gnome org>]

commit ae4fd39b60374fc02da1e7b4be9ef2514fe49fd0
Author: Tim Janik <timj gnu org>
Date:   Wed Oct 7 20:34:34 2015 +0200

    TRAVIS: install libxml2-utils for xmllint
    
    Signed-off-by: Tim Janik <timj gnu org>

 .travis.yml |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/.travis.yml b/.travis.yml
index ba13805..3b81278 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,6 +31,8 @@ addons:
       libcairo2-dev, libpango1.0-dev, python2.7-dev, libxml2-dev, libgdk-pixbuf2.0-dev, libreadline6-dev,
       # Rapicorn1509 dependencies
       cython, libcroco3-dev,
+      # Beast09 dependencies
+      libxml2-utils,
       # devel-mode dependencies
       intltool, autoconf-archive, bison, flex, pandoc, doxygen, graphviz, texlive-binaries, xvfb ]