[ci] add libvorbis-dev and libflac-dev to azure dependencies

diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 6d8cbbc..87882ed 100644 (file)
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -7,7 +7,7 @@ jobs:
   steps:
   - script: |
       sudo apt update
-      sudo apt install libavformat-dev librubberband-dev
+      sudo apt install libavformat-dev librubberband-dev libvorbis-dev libflac-dev
     displayName: 'deps'
   - script: |
       make