avfilter/vf_colorkey: Improve filter description

[ffmpeg] / .travis.yml

diff --git a/.travis.yml b/.travis.yml
index a0f6b245c9b8beb252eef6636f7a1693abe3a748..5f3c533027f195f3095ca2f0e739106c1d09343c 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ addons:
   apt:
     packages:
       - yasm
-      - bc
+      - diffutils
 compiler:
   - clang
   - gcc