[travis] Add newly required package

tkoeppe · tkoeppe · commit e8f384f35ab2 · 2017-09-07T14:29:33.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -60,6 +60,7 @@ addons:
     - texlive-latex-base
     - texlive-latex-extra
     - texlive-latex-recommended
+    - texlive-generic-recommended
     - texlive-binaries
     - graphviz
     - lmodern
