Travis CI: explicitly install FreeType on Linux

Do this for consistency with the other library dependencies.

For reference, currently, both FreeType and Fontconfig
are preinstalled and don't need to be explicitly mentioned.

diff --git a/.travis.yml b/.travis.yml
index 80baf4335d33bc6caca9781ae3af986639b843f7..f18d410e3834c21c2a2647cf76bef19a240e2438 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,7 @@ branches:
 
 before_install:
   - (sudo apt-get update || brew update)
-  - (sudo apt-get install -y libfontconfig1-dev libfribidi-dev yasm || (brew uninstall libtool; brew install freetype fribidi libtool yasm)) && ./autogen.sh && ./configure
+  - (sudo apt-get install -y libfontconfig1-dev libfreetype6-dev libfribidi-dev yasm || (brew uninstall libtool; brew install freetype fribidi libtool yasm)) && ./autogen.sh && ./configure
 script:
   - make -j4