add libpng-dev to the dependencies for the travis build

2019-01-23 09:01:03 +01:00 · 2019-01-23 09:01:03 +01:00 · 3409f7a871
commit 3409f7a871
parent c4b93eb794
1 changed files with 1 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -15,6 +15,7 @@ addons:
    apt:
        packages:
        - cppcheck
+        - libpng-dev
        - libsdl2-dev
        - libsdl2-mixer-dev
        - libsdl2-net-dev